This is a list of

philosophers A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φιλόσοφος, , translit=philosophos, meaning 'lover of wisdom'. The coining of the term has been attributed to the Greek th ...

from the Western tradition of philosophy.

Western philosophers

Greek philosophers

600–500 BCE

Thales Thales of Miletus ( ; grc-gre, Θαλῆς; ) was a Greek mathematician, astronomer, statesman, and pre-Socratic philosopher from Miletus in Ionia, Asia Minor. He was one of the Seven Sages of Greece. Many, most notably Aristotle, regarded him ...

of Miletus (c. 624 – 546 BCE). Of the

Milesian school The Ionian school of Pre-Socratic philosophy was centred in Miletus, Ionia in the 6th century BC. Miletus and its environment was a thriving mercantile melting pot of current ideas of the time. The Ionian School included such thinkers as Thales ...

. Believed that all was made of water. *

Pherecydes of Syros Pherecydes of Syros (; grc-gre, Φερεκύδης ὁ Σύριος; fl. 6th century BCE) was an Ancient Greek mythographer and proto-philosopher from the island of Syros. Little is known about his life and death. Some ancient testimonies coun ...

(c. 620 – c. 550 BCE). Cosmologist. *

Anaximander Anaximander (; grc-gre, Ἀναξίμανδρος ''Anaximandros''; ) was a pre-Socratic Greek philosopher who lived in Miletus,"Anaximander" in ''Chambers's Encyclopædia''. London: George Newnes, 1961, Vol. 1, p. 403. a city of Ionia (in moder ...

of Miletus (c. 610 – 546 BCE). Of the

. Famous for the concept of ''Apeiron'', or "the boundless". *

Anaximenes of Miletus Anaximenes of Miletus (; grc-gre, Ἀναξιμένης ὁ Μιλήσιος, translit=Anaximenēs ho Milēsios; ) was an Ancient Greek, Ionian Pre-Socratic philosopher from Miletus in Asia Minor (modern-day Turkey), active in the latter half of ...

(c. 585 – 525 BCE). Of the

. Believed that all was made of air. *

Pythagoras Pythagoras of Samos ( grc, Πυθαγόρας ὁ Σάμιος, Pythagóras ho Sámios, Pythagoras the Samos, Samian, or simply ; in Ionian Greek; ) was an ancient Ionians, Ionian Ancient Greek philosophy, Greek philosopher and the eponymou ...

of Samos (c. 580 – c. 500 BCE). Of the Ionian School. Believed the deepest reality to be composed of numbers, and that souls are immortal. *

Xenophanes Xenophanes of Colophon (; grc, Ξενοφάνης ὁ Κολοφώνιος ; c. 570 – c. 478 BC) was a Greek philosopher A philosopher is a person who practices or investigates philosophy. The term ''philosopher'' comes from the grc, φ ...

of Colophon (c. 570 – 480 BCE). Advocated monotheism. Sometimes associated with the

Eleatic The Eleatics were a group of pre-Socratic philosophers in the 5th century BC centered around the ancient Italian Greek colony of Elea ( grc, Ἐλέα), located in present-day Campania in southern Italy. The primary philosophers who are associat ...

school. *

Epicharmus Epicharmus of Kos or Epicharmus Comicus or Epicharmus Comicus Syracusanus ( grc-gre, Ἐπίχαρμος ὁ Κῷος), thought to have lived between c. 550 and c. 460 BC, was a Greek dramatist and philosopher who is often credited with ...

of Kos (c. 530 – 450 BCE). Comic playwright and moralist.

500–400 BCE

Heraclitus Heraclitus of Ephesus (; grc-gre, Ἡράκλειτος , "Glory of Hera"; ) was an ancient Greek pre-Socratic philosopher from the city of Ephesus, which was then part of the Persian Empire. Little is known of Heraclitus's life. He wrote ...

of Ephesus (c. 535 – c. 475 BCE). Of the Ionians. Emphasized the mutability of the universe. *

Parmenides Parmenides of Elea (; grc-gre, Παρμενίδης ὁ Ἐλεάτης; ) was a pre-Socratic Greek philosopher from Elea in Magna Graecia. Parmenides was born in the Greek colony of Elea, from a wealthy and illustrious family. His dates a ...

of Elea (c. 515 – 450 BCE). Of the Eleatics. Reflected on the concept of Being. *

Anaxagoras Anaxagoras (; grc-gre, Ἀναξαγόρας, ''Anaxagóras'', "lord of the assembly"; 500 – 428 BC) was a Pre-Socratic Greek philosopher. Born in Clazomenae at a time when Asia Minor was under the control of the Persian Empire, ...

of Clazomenae (c. 500 – 428 BCE). Of the Ionians. Pluralist. *

Empedocles Empedocles (; grc-gre, Ἐμπεδοκλῆς; , 444–443 BC) was a Greek pre-Socratic philosopher and a native citizen of Akragas, a Greek city in Sicily. Empedocles' philosophy is best known for originating the cosmogonic theory of the fo ...

(492 – 432 BCE). Eclectic cosmogonist. Pluralist. *

Zeno of Elea Zeno of Elea (; grc, Ζήνων ὁ Ἐλεᾱ́της; ) was a pre-Socratic Greek philosopher of Magna Graecia and a member of the Eleatic School founded by Parmenides. Aristotle called him the inventor of the dialectic. He is best known fo ...

(c. 490 – 430 BCE). Of the Eleatics. Known for his paradoxes. *

Protagoras Protagoras (; el, Πρωταγόρας; )Guthrie, p. 262–263. was a pre-Socratic Greek philosopher and rhetorical theorist. He is numbered as one of the sophists by Plato. In his dialogue '' Protagoras'', Plato credits him with inventing the r ...

of Abdera (c. 481 – 420 BCE).

Sophist A sophist ( el, σοφιστής, sophistes) was a teacher in ancient Greece in the fifth and fourth centuries BC. Sophists specialized in one or more subject areas, such as philosophy, rhetoric, music, athletics, and mathematics. They taught ' ...

. Early advocate of

relativism Relativism is a family of philosophical views which deny claims to objectivity within a particular domain and assert that valuations in that domain are relative to the perspective of an observer or the context in which they are assessed. Ther ...

. *

Antiphon An antiphon (Greek ἀντίφωνον, ἀντί "opposite" and φωνή "voice") is a short chant in Christian ritual, sung as a refrain. The texts of antiphons are the Psalms. Their form was favored by St Ambrose and they feature prominently ...

(480 – 411 BCE).

. *

Hippias Hippias of Elis (; el, Ἱππίας ὁ Ἠλεῖος; late 5th century BC) was a Greek sophist, and a contemporary of Socrates. With an assurance characteristic of the later sophists, he claimed to be regarded as an authority on all subjects, ...

(Middle of the 5th century BCE).

. *

Gorgias Gorgias (; grc-gre, Γοργίας; 483–375 BC) was an ancient Greek sophist, pre-Socratic philosopher, and rhetorician who was a native of Leontinoi in Sicily. Along with Protagoras, he forms the first generation of Sophists. Several doxogr ...

. (c. 483 – 375 BCE).

. Early advocate of

solipsism Solipsism (; ) is the philosophical idea that only one's mind is sure to exist. As an epistemological position, solipsism holds that knowledge of anything outside one's own mind is unsure; the external world and other minds cannot be known an ...

. *

Socrates Socrates (; ; –399 BC) was a Greek philosopher from Athens who is credited as the founder of Western philosophy and among the first moral philosophers of the ethical tradition of thought. An enigmatic figure, Socrates authored no te ...

of Athens (c. 470 – 399 BCE). Emphasized

virtue ethics Virtue ethics (also aretaic ethics, from Greek ἀρετή arete_(moral_virtue).html"_;"title="'arete_(moral_virtue)">aretḗ''_is_an_approach_to_ethics_that_treats_the_concept_of_virtue.html" ;"title="arete_(moral_virtue)">aretḗ''.html" ;" ...

. In

epistemology Epistemology (; ), or the theory of knowledge, is the branch of philosophy concerned with knowledge. Epistemology is considered a major subfield of philosophy, along with other major subfields such as ethics, logic, and metaphysics. Episte ...

, understood

dialectic Dialectic ( grc-gre, διαλεκτική, ''dialektikḗ''; related to dialogue; german: Dialektik), also known as the dialectical method, is a discourse between two or more people holding different points of view about a subject but wishing ...

to be central to the pursuit of truth. *

Critias Critias (; grc-gre, Κριτίας, ''Kritias''; c. 460 – 403 BC) was an ancient Athenian political figure and author. Born in Athens, Critias was the son of Callaeschrus and a first cousin of Plato's mother Perictione. He became a leading ...

of Athens (c. 460 – 413 BCE). Atheist writer and politician. *

Prodicus Prodicus of Ceos (; grc-gre, Πρόδικος ὁ Κεῖος, ''Pródikos ho Keios''; c. 465 BC – c. 395 BC) was a Greek philosopher, and part of the first generation of Sophists. He came to Athens as ambassador from Ceos, and became known as ...

of Ceos (c. 465 – c. 395 BCE). Sophist. *

Leucippus Leucippus (; el, Λεύκιππος, ''Leúkippos''; fl. 5th century BCE) is a pre-Socratic Greek philosopher who has been credited as the first philosopher to develop a theory of atomism. Leucippus' reputation, even in antiquity, was obscured ...

of Miletus (First half of the 5th century BCE). Founding

Atomist Atomism (from Ancient Greek, Greek , ''atomon'', i.e. "uncuttable, indivisible") is a natural philosophy proposing that the physical universe is composed of fundamental indivisible components known as atoms. References to the concept of atomism ...

Determinist Determinism is a philosophical view, where all events are determined completely by previously existing causes. Deterministic theories throughout the history of philosophy have developed from diverse and sometimes overlapping motives and consi ...

. *

Thrasymachus Thrasymachus (; el, Θρασύμαχος ''Thrasýmachos''; c. 459 – c. 400 BC) was a sophist of ancient Greece best known as a character in Plato's ''Republic''. Life, date, and career Thrasymachus was a citizen of Chalcedon, on the Bosphorus ...

of Miletus (c. 459 – c. 400 BCE). Sophist. *

Democritus Democritus (; el, Δημόκριτος, ''Dēmókritos'', meaning "chosen of the people"; – ) was an Ancient Greek pre-Socratic philosopher from Abdera, primarily remembered today for his formulation of an atomic theory of the universe. No ...

of Abdera (c. 450 – 370 BCE). Founding

. *

Diagoras of Melos Diagoras "the Atheist" of Melos ( el, Διαγόρας ὁ Μήλιος) was a Greek poet and sophist of the 5th century BC. Throughout antiquity, he was regarded as an atheist, but very little is known for certain about what he actually believed. ...

(c. 450 – 415 BCE). Atheist. * Archelaus. A pupil of Anaxagoras. *

Melissus of Samos Melissus of Samos (; grc, Μέλισσος ὁ Σάμιος; ) was the third and last member of the ancient school of Eleatic philosophy, whose other members included Zeno and Parmenides. Little is known about his life, except that he was the co ...

. Eleatic. *

Cratylus Cratylus ( ; grc, Κρατύλος, ''Kratylos'') was an ancient Athenian philosopher from the mid-late 5th century BCE, known mostly through his portrayal in Plato's dialogue '' Cratylus''. He was a radical proponent of Heraclitean philosophy ...

. Follower of Heraclitus. *

Ion of Chios Ion of Chios (; grc-gre, Ἴων ὁ Χῖος; c. 490/480 – c. 420 BC) was a Greek writer, dramatist, lyric poet and philosopher. He was a contemporary of Aeschylus, Euripides and Sophocles. Of his many plays and poems only a few titles and fr ...

. Pythagorean cosmologist. *

Echecrates In ancient Greece, Echecrates ( el, Ἐχεκράτης) was the name of the following men: *Echecrates of Thessaly, a military officer of Ptolemy IV Philopator, documented around 219–217 BC. *A son of Demetrius the Fair (c. 285–250 BC) by Olymp ...

. Pythagorean. *

Timaeus of Locri Timaeus of Locri (; grc, Τίμαιος ὁ Λοκρός, Tímaios ho Lokrós; la, Timaeus Locrus) is a character in two of Plato's dialogues, ''Timaeus (dialogue), Timaeus'' and ''Critias (dialogue), Critias''. In both, he appears as a Ancient G ...

. Pythagorean.

400–300 BCE

Antisthenes Antisthenes (; el, Ἀντισθένης; 446 366 BCE) was a Greek philosopher and a pupil of Socrates. Antisthenes first learned rhetoric under Gorgias before becoming an ardent disciple of Socrates. He adopted and developed the ethical side o ...

(c. 444 – 365 BCE). Founder of Cynicism. Pupil of Socrates. *

Aristippus Aristippus of Cyrene, Libya, Cyrene (; grc, Ἀρίστιππος ὁ Κυρηναῖος; c. 435 – c. 356 BCE) was a Hedonism, hedonistic Ancient Greece, Greek philosopher and the founder of the Cyrenaics, Cyrenaic school of philosophy. He w ...

of Cyrene (c. 440 – 366 BCE). A

Cyrenaic The Cyrenaics or Kyrenaics ( grc, Κυρηναϊκοί, Kyrēnaïkoí), were a sensual hedonist Greek school of philosophy founded in the 4th century BCE, supposedly by Aristippus of Cyrene, although many of the principles of the school are belie ...

. Advocate of ethical hedonism. *

Alcidamas Alcidamas ( grc-gre, Ἀλκιδάμας), of Elaea, in Aeolis, was a Greek sophist and rhetorician, who flourished in the 4th century BC. Life He was the pupil and successor of Gorgias and taught at Athens at the same time as Isocrates, to wh ...

c. 435 – c. 350 BCE). Sophist. *

Lycophron (Sophist) Lycophron (; grc-gre, Λυκόφρων) was a sophist of Ancient Greece. The central point about Lycrophron as attacked in the ''Politics'' of Aristotle, is that Lycrophron rejected the idea that the state exists to make people "just and good", ...

c. 430 – c. 350 BCE). Sophist. *

Diogenes of Apollonia Diogenes of Apollonia ( ; grc, Διογένης ὁ Ἀπολλωνιάτης, Diogénēs ho Apollōniátēs; 5th century BC) was an ancient Greek philosopher, and was a native of the Milesian colony Apollonia in Thrace. He lived for some ti ...

(c. 425 – c 350 BCE). Cosmologist. *

Hippo The hippopotamus ( ; : hippopotamuses or hippopotami; ''Hippopotamus amphibius''), also called the hippo, common hippopotamus, or river hippopotamus, is a large semiaquatic mammal native to sub-Saharan Africa. It is one of only two extant ...

(c. 425 – c 350 BCE). Atheist cosmologist. *

Xenophon Xenophon of Athens (; grc, wikt:Ξενοφῶν, Ξενοφῶν ; – probably 355 or 354 BC) was a Greek military leader, philosopher, and historian, born in Athens. At the age of 30, Xenophon was elected commander of one of the biggest Anci ...

(c. 427 – 355 BCE). Historian. *

Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...

(c. 427 – 347 BCE). Famed for view of the transcendental forms. Advocated

polity A polity is an identifiable Politics, political entity – a group of people with a collective identity, who are organized by some form of Institutionalisation, institutionalized social relation, social relations, and have a capacity to mobilize ...

governed by philosophers. *

Speusippus Speusippus (; grc-gre, Σπεύσιππος; c. 408 – 339/8 BC) was an ancient Greek philosopher. Speusippus was Plato's nephew by his sister Potone. After Plato's death, c. 348 BC, Speusippus inherited the Academy, near age 60, and remained ...

(c. 408 – 339 BCE). Nephew of Plato. *

Eudoxus of Cnidus Eudoxus of Cnidus (; grc, Εὔδοξος ὁ Κνίδιος, ''Eúdoxos ho Knídios''; ) was an ancient Greek astronomer, mathematician, scholar, and student of Archytas and Plato. All of his original works are lost, though some fragments are ...

(c. 408 – 355 BCE). Pupil of Plato. *

Diogenes of Sinope Diogenes ( ; grc, Διογένης, Diogénēs ), also known as Diogenes the Cynic (, ) or Diogenes of Sinope, was a Greek philosopher and one of the founders of Cynicism (philosophy). He was born in Sinope, an Ionian colony on the Black Sea ...

(c. 404 – 323 BCE). Cynic. *

Xenocrates Xenocrates (; el, Ξενοκράτης; c. 396/5314/3 BC) of Chalcedon was a Greek philosopher, mathematician, and leader (scholarch) of the Platonic Academy from 339/8 to 314/3 BC. His teachings followed those of Plato, which he attempted to d ...

(c. 396 – 314 BCE). Disciple of Plato. *

Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of phil ...

(c. 384 – 322 BCE). A polymath whose works ranged across all philosophical fields.

Hellenistic era philosophers

300–200 BCE

Theophrastus Theophrastus (; grc-gre, Θεόφραστος ; c. 371c. 287 BC), a Greek philosopher and the successor to Aristotle in the Peripatetic school. He was a native of Eresos in Lesbos.Gavin Hardy and Laurence Totelin, ''Ancient Botany'', Routledge ...

(c. 371 – c. 287 BCE).

Peripatetic Peripatetic may refer to: *Peripatetic school, a school of philosophy in Ancient Greece *Peripatetic axiom * Peripatetic minority, a mobile population moving among settled populations offering a craft or trade. *Peripatetic Jats There are several ...

. *

Pyrrho Pyrrho of Elis (; grc, Πύρρων ὁ Ἠλεῖος, Pyrrhо̄n ho Ēleios; ), born in Elis, Greece, was a Greek philosopher of Classical antiquity, credited as being the first Greek skeptic philosopher and founder of Pyrrhonism. Life ...

of Elis (c. 360 – 270 BCE).

Skeptic Skepticism, also spelled scepticism, is a questioning attitude or doubt toward knowledge claims that are seen as mere belief or dogma. For example, if a person is skeptical about claims made by their government about an ongoing war then the pe ...

. *

Strato of Lampsacus Strato of Lampsacus (; grc-gre, Στράτων ὁ Λαμψακηνός, Strátōn ho Lampsakēnós, – ) was a Peripatetic philosopher, and the third director (scholarch) of the Lyceum after the death of Theophrastus. He devoted himself especia ...

(c. 340 – c. 268 BCE).

Atheist Atheism, in the broadest sense, is an absence of belief in the existence of deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the position that there no ...

Materialist Materialism is a form of philosophical monism which holds matter to be the fundamental substance in nature, and all things, including mental states and consciousness, are results of material interactions. According to philosophical materialis ...

. *

Theodorus the Atheist Theodorus the Atheist ( el, Θεόδωρος ὁ ἄθεος; c. 340 – c. 250 BCE), of Cyrene, was a Greek philosopher of the Cyrenaic school. He lived in both Greece and Alexandria, before ending his days in his native city of Cyrene. As a Cy ...

(c. 340 – c. 250 BCE).

. *

Epicurus Epicurus (; grc-gre, Ἐπίκουρος ; 341–270 BC) was an ancient Greek philosopher and sage who founded Epicureanism, a highly influential school of philosophy. He was born on the Greek island of Samos to Athenian parents. Influenced ...

(c. 341 – 270 BCE).

hedonist Hedonism refers to a family of theories, all of which have in common that pleasure plays a central role in them. ''Psychological'' or ''motivational hedonism'' claims that human behavior is determined by desires to increase pleasure and to decre ...

. Founder of

Epicureanism Epicureanism is a system of philosophy founded around 307 BC based upon the teachings of the ancient Greek philosopher Epicurus. Epicureanism was originally a challenge to Platonism. Later its main opponent became Stoicism. Few writings by Epi ...

Zeno of Citium Zeno of Citium (; grc-x-koine, Ζήνων ὁ Κιτιεύς, ; c. 334 – c. 262 BC) was a Hellenistic philosopher from Citium (, ), Cyprus. Zeno was the founder of the Stoic school of philosophy, which he taught in Athens from about 300 BC ...

(c. 333 – 264 BCE). Founder of

Stoicism Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century Common Era, BCE. It is a philosophy of personal virtue ethics informed by its system of logic and its views on the natural world, asser ...

. *

Timon Timon is a masculine given name and a surname which may refer to: People * Timon of Athens (person), 5th-century Athenian and legendary misanthrope * Timon of Phlius (c. 320 BCE – c. 235 BCE), a Pyrrhonist philosopher of Ptolemaic Egypt and Hell ...

(c. 320 – 230 BCE).

Pyrrhonist Pyrrho of Elis (; grc, Πύρρων ὁ Ἠλεῖος, Pyrrhо̄n ho Ēleios; ), born in Elis, Greece, was a Greek philosopher of Classical antiquity, credited as being the first Greek skeptic philosopher and founder of Pyrrhonism. Life ...

skeptic Skepticism, also spelled scepticism, is a questioning attitude or doubt toward knowledge claims that are seen as mere belief or dogma. For example, if a person is skeptical about claims made by their government about an ongoing war then the pe ...

. *

Aristarchus of Samos Aristarchus of Samos (; grc-gre, Ἀρίσταρχος ὁ Σάμιος, ''Aristarkhos ho Samios''; ) was an ancient Greek astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or ...

(c. 310 – c. 230 BCE). Astronomer. *

Euclid Euclid (; grc-gre, Wikt:Εὐκλείδης, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the ''Euclid's Elements, Elements'' trea ...

( fl. 300 BCE). Mathematician, founder of geometry. *

Archimedes Archimedes of Syracuse (;; ) was a Greek mathematician, physicist, engineer, astronomer, and inventor from the ancient city of Syracuse in Sicily. Although few details of his life are known, he is regarded as one of the leading scientists ...

(c. 287 – c. 212 BCE). Mathematician and inventor. *

Chrysippus Chrysippus of Soli (; grc-gre, Χρύσιππος ὁ Σολεύς, ; ) was a Greek Stoic philosopher. He was a native of Soli, Cilicia, but moved to Athens as a young man, where he became a pupil of the Stoic philosopher Cleanthes. When Clean ...

of Soli (c. 280 – 207 BCE). Major figure in

. *

Eratosthenes Eratosthenes of Cyrene (; grc-gre, Ἐρατοσθένης ; – ) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria ...

(c. 276 BC – c. 195/194 BCE). Geographer and mathematician.

200–100 BCE

Carneades Carneades (; el, Καρνεάδης, ''Karneadēs'', "of Carnea"; 214/3–129/8 BC) was a Greek philosopher and perhaps the most prominent head of the Skeptical Academy in ancient Greece. He was born in Cyrene. By the year 159 BC, he had begu ...

(c. 214 – 129 BCE). Academic skeptic. Understood

probability Probability is the branch of mathematics concerning numerical descriptions of how likely an Event (probability theory), event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and ...

as the purveyor of truth. *

Hipparchus of Nicaea Hipparchus (; el, Ἵππαρχος, ''Hipparkhos''; BC) was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry, but is most famous for his incidental discovery of the precession of the equi ...

(c. 190 – c. 120 BCE). Astronomer and mathematician, founder of trigonometry.

Roman era philosophers

100 BCE – 1 CE

Cicero Marcus Tullius Cicero ( ; ; 3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, and academic skeptic, who tried to uphold optimate principles during the political crises that led to the estab ...

(c. 106 BCE – 43 BCE) Skeptic. Political theorist. *

Lucretius Titus Lucretius Carus ( , ; – ) was a Roman poet and philosopher. His only known work is the philosophical poem ''De rerum natura'', a didactic work about the tenets and philosophy of Epicureanism, and which usually is translated into E ...

(c. 99 – 55 BCE).

Epicurean Epicureanism is a system of philosophy founded around 307 BC based upon the teachings of the ancient Greek philosopher Epicurus. Epicureanism was originally a challenge to Platonism. Later its main opponent became Stoicism. Few writings by Epi ...

1–100 CE

Jesus of Nazareth Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and religious ...

(c. 4 BC – AD 30 or 33) the founder of

Christianity Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest and most widespread religion with roughly 2.38 billion followers representing one-third of the global pop ...

. *

Philo Philo of Alexandria (; grc, Φίλων, Phílōn; he, יְדִידְיָה, Yəḏīḏyāh (Jedediah); ), also called Philo Judaeus, was a Hellenistic Jewish philosopher who lived in Alexandria, in the Roman province of Egypt. Philo's deplo ...

(c. 20 BCE – 50 CE). Believed in the allegorical method of reading texts. *

Seneca the Younger Lucius Annaeus Seneca the Younger (; 65 AD), usually known mononymously as Seneca, was a Stoic philosopher of Ancient Rome, a statesman, dramatist, and, in one work, satirist, from the post-Augustan age of Latin literature. Seneca was born in ...

(c. 4 BCE – 65 CE).

Stoic Stoic may refer to: * An adherent of Stoicism; one whose moral quality is associated with that school of philosophy *STOIC, a programming language * ''Stoic'' (film), a 2009 film by Uwe Boll * ''Stoic'' (mixtape), a 2012 mixtape by rapper T-Pain *' ...

. *

Quintilian Marcus Fabius Quintilianus (; 35 – 100 AD) was a Roman educator and rhetorician from Hispania, widely referred to in medieval schools of rhetoric and in Renaissance writing. In English translation, he is usually referred to as Quintilia ...

(c. 35 CE – c. 100 CE). Rhetorician and teacher. *

Hero of Alexandria Hero of Alexandria (; grc-gre, Ἥρων ὁ Ἀλεξανδρεύς, ''Heron ho Alexandreus'', also known as Heron of Alexandria ; 60 AD) was a Greece, Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egy ...

(c. 10 CE – c. 70 CE). Engineer.

100–200 CE

Epictetus Epictetus (; grc-gre, Ἐπίκτητος, ''Epíktētos''; 50 135 AD) was a Greek Stoic philosopher. He was born into slavery at Hierapolis, Phrygia (present-day Pamukkale, in western Turkey) and lived in Rome until his banishment, when ...

(c. 55 – 135).

. Emphasized ethics of self–determination. *

Marcus Aurelius Marcus Aurelius Antoninus (Latin: áːɾkus̠ auɾέːli.us̠ antɔ́ːni.us̠ English: ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 AD and a Stoic philosopher. He was the last of the rulers known as the Five Good ...

(121–180).

200–400 CE

Sextus Empiricus Sextus Empiricus ( grc-gre, Σέξτος Ἐμπειρικός, ; ) was a Ancient Greece, Greek Pyrrhonism, Pyrrhonist philosopher and Empiric school physician. His philosophical works are the most complete surviving account of ancient Greek and ...

(fl. during the 2nd and possibly the 3rd centuries AD).

. *

Plotinus Plotinus (; grc-gre, Πλωτῖνος, ''Plōtînos''; – 270 CE) was a philosopher in the Hellenistic philosophy, Hellenistic tradition, born and raised in Roman Egypt. Plotinus is regarded by modern scholarship as the founder of Neop ...

(c. 205 – 270).

Neoplatonist Neoplatonism is a strand of Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and religion. The term does not encapsulate a set of ideas as much as a chain of thinkers. But there are some ide ...

. Had a holistic metaphysics. * Porphyry (c. 232 – 304). Student of Plotinus. * Iamblichus of Syria (c. 245 – 325). Late

neoplatonist Neoplatonism is a strand of Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and religion. The term does not encapsulate a set of ideas as much as a chain of thinkers. But there are some ide ...

. Espoused

theurgy Theurgy (; ) describes the practice of rituals, sometimes seen as magical in nature, performed with the intention of invoking the action or evoking the presence of one or more deities, especially with the goal of achieving henosis (uniting wi ...

. *

Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Af ...

(c. 354 – 430).

Original Sin Original sin is the Christian doctrine that holds that humans, through the fact of birth, inherit a tainted nature in need of regeneration and a proclivity to sinful conduct. The biblical basis for the belief is generally found in Genesis 3 (t ...

. Church father. *

Proclus Proclus Lycius (; 8 February 412 – 17 April 485), called Proclus the Successor ( grc-gre, Πρόκλος ὁ Διάδοχος, ''Próklos ho Diádokhos''), was a Greek Neoplatonist philosopher, one of the last major classical philosophers ...

(c. 412 – 485).

Medieval philosophers

500–800 CE

Boethius Anicius Manlius Severinus Boethius, commonly known as Boethius (; Latin: ''Boetius''; 480 – 524 AD), was a Roman senator, consul, ''magister officiorum'', historian, and philosopher of the Early Middle Ages. He was a central figure in the tr ...

(c. 480–524). *

John Philoponus John Philoponus (Greek: ; ; c. 490 – c. 570), also known as John the Grammarian or John of Alexandria, was a Byzantine Greek philologist, Aristotelian commentator, Christian theologian and an author of a considerable number of philosophical tre ...

(c. 490–570). *

Pseudo-Dionysius the Areopagite Pseudo-Dionysius the Areopagite (or Dionysius the Pseudo-Areopagite) was a Greek author, Christian theologian and Neoplatonic philosopher of the late 5th to early 6th century, who wrote a set of works known as the ''Corpus Areopagiticum'' or ...

(c. 500?). *

John of Damascus John of Damascus ( ar, يوحنا الدمشقي, Yūḥanna ad-Dimashqī; gr, Ἰωάννης ὁ Δαμασκηνός, Ioánnēs ho Damaskēnós, ; la, Ioannes Damascenus) or John Damascene was a Christian monk, priest, hymnographer, and a ...

(c. 680-750).

800–900 CE

Al-Kindi Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (; ar, أبو يوسف يعقوب بن إسحاق الصبّاح الكندي; la, Alkindus; c. 801–873 AD) was an Arab Muslim philosopher, polymath, mathematician, physician ...

(c. 801 – 873). Major figure in

Islamic philosophy Islamic philosophy is philosophy that emerges from the Islamic tradition. Two terms traditionally used in the Islamic world are sometimes translated as philosophy—falsafa (literally: "philosophy"), which refers to philosophy as well as logic, ...

. Influenced by

Neoplatonism Neoplatonism is a strand of Platonism, Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and Hellenistic religion, religion. The term does not encapsulate a set of ideas as much as a chain of ...

. *

Abbas ibn Firnas Abu al-Qasim Abbas ibn Firnas ibn Wirdas al-Takurini ( ar, أبو القاسم عباس بن فرناس بن ورداس التاكرني; c. 809/810 – 887 A.D.), also known as Abbas ibn Firnas ( ar, عباس ابن فرناس), Latinized Armen ...

(809–887). Polymath. *

John the Scot Johannes Scotus or Skotus, John Scotus, or John the Scot may refer to: * John Scotus Eriugena (c. 815–877), Irish theologian, philosopher, and poet * John Scotus (bishop of Mecklenburg) (c. 990–1066) * John Scotus (bishop of Dunkeld) (died 120 ...

(c. 815 – 877).

pantheist Pantheism is the belief that reality, the universe and the cosmos are identical with divinity and a supreme supernatural being or entity, pointing to the universe as being an immanent creator deity still expanding and creating, which has ex ...

900–1000 CE

* al–Faràbi (c. 870 – 950). Major

Islamic philosopher Islamic philosophy is philosophy that emerges from the Islamic tradition. Two terms traditionally used in the Islamic world are sometimes translated as philosophy—falsafa (literally: "philosophy"), which refers to philosophy as well as logi ...

. *

Saadia Gaon Saʻadiah ben Yosef Gaon ( ar, سعيد بن يوسف الفيومي ''Saʻīd bin Yūsuf al-Fayyūmi''; he, סַעֲדְיָה בֶּן יוֹסֵף אַלְפַיּוּמִי גָּאוֹן ''Saʿăḏyāh ben Yōsēf al-Fayyūmī Gāʾōn''; ...

(c. 882 – 942).

Jewish Philosopher Jewish philosophy () includes all philosophy carried out by Jews, or in relation to the religion of Judaism. Until modern ''Haskalah'' (Jewish Enlightenment) and Jewish emancipation, Jewish philosophy was preoccupied with attempts to reconcile ...

al-Razi Razi ( fa, رازی) or al-Razi ( ar, الرازی) is a name that was historically used to indicate a person coming from Ray, Iran. People It most commonly refers to: * Muhammad ibn Zakariya al-Razi (865–925), influential physician, alchemist ...

(c. 865 – 925). Rationalist. Major

. Held that God creates universe by rearranging pre–existing laws.

1000–1100 CE

Al-Biruni Abu Rayhan Muhammad ibn Ahmad al-Biruni (973 – after 1050) commonly known as al-Biruni, was a Khwarazmian Iranian in scholar and polymath during the Islamic Golden Age. He has been called variously the "founder of Indology", "Father of Co ...

(973– after 1050) Islamic

polymath A polymath ( el, πολυμαθής, , "having learned much"; la, homo universalis, "universal human") is an individual whose knowledge spans a substantial number of subjects, known to draw on complex bodies of knowledge to solve specific pro ...

. *

Ibn Sina Ibn Sina ( fa, ابن سینا; 980 – June 1037 CE), commonly known in the West as Avicenna (), was a Persian polymath who is regarded as one of the most significant physicians, astronomers, philosophers, and writers of the Islamic G ...

(Avicenna) (c. 980–1037). Major

. *

Ibn Hazm Abū Muḥammad ʿAlī ibn Aḥmad ibn Saʿīd ibn Ḥazm ( ar, أبو محمد علي بن احمد بن سعيد بن حزم; also sometimes known as al-Andalusī aẓ-Ẓāhirī; 7 November 994 – 15 August 1064Ibn Hazm. ' (Preface). Tr ...

(7 November 994 – 15 August 1064) *

Ibn Gabirol Solomon ibn Gabirol or Solomon ben Judah ( he, ר׳ שְׁלֹמֹה בֶּן יְהוּדָה אִבְּן גָּבִּירוֹל, Shlomo Ben Yehuda ibn Gabirol, ; ar, أبو أيوب سليمان بن يحيى بن جبيرول, ’Abū ’Ayy ...

(Avicebron) (c. 1021–1058).

Jewish philosopher Jewish philosophy () includes all philosophy carried out by Jews, or in relation to the religion of Judaism. Until modern ''Haskalah'' (Jewish Enlightenment) and Jewish emancipation, Jewish philosophy was preoccupied with attempts to reconcile ...

. * Anselm (c. 1034–1109).

Christian philosopher Christian philosophy includes all philosophy carried out by Christians, or in relation to the religion of Christianity. Christian philosophy emerged with the aim of reconciling science and faith, starting from natural rational explanations wit ...

. Produced

ontological argument An ontological argument is a philosophical argument, made from an ontological basis, that is advanced in support of the existence of God. Such arguments tend to refer to the state of being or existing. More specifically, ontological arguments ...

for the existence of God. *

Omar Khayyam Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm Nīsābūrī (18 May 1048 – 4 December 1131), commonly known as Omar Khayyam ( fa, عمر خیّام), was a polymath, known for his contributions to mathematics, astronomy, philosophy, an ...

(c. 1048–1131). Major

Agnostic Agnosticism is the view or belief that the existence of God, of the divine or the supernatural is unknown or unknowable. (page 56 in 1967 edition) Another definition provided is the view that "human reason is incapable of providing sufficient ...

Mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

. Philosophical poet, one of the 5 greatest Iranian

Poet A poet is a person who studies and creates poetry. Poets may describe themselves as such or be described as such by others. A poet may simply be the creator ( thinker, songwriter, writer, or author) who creates (composes) poems (oral or writte ...

s. *

Al-Ghazali Al-Ghazali ( – 19 December 1111; ), full name (), and known in Persian-speaking countries as Imam Muhammad-i Ghazali (Persian: امام محمد غزالی) or in Medieval Europe by the Latinized as Algazelus or Algazel, was a Persian polymat ...

(c. 1058–1111).

. Mystic.

1100–1200 CE

Bahya ibn Paquda Bahya ben Joseph ibn Paquda (also: Pakuda, Bakuda, Hebrew: , ar, بهية بن فاقودا), c. 1050–1120, was a Jewish philosopher and rabbi who lived at Zaragoza, Al-Andalus (now Spain). He was one of two people now known as Rabbeinu Behay ...

(c. 1050-1150).

Jewish philosopher, author, rabbi, judge Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""Th ...

. *

Ibn Tufail Ibn Ṭufail (full Arabic name: ; Latinized form: ''Abubacer Aben Tofail''; Anglicized form: ''Abubekar'' or ''Abu Jaafar Ebn Tophail''; c. 1105 – 1185) was an Arab Andalusian Muslim polymath: a writer, Islamic philosopher, Islamic theolo ...

(c. 1105 – 1185) *

Peter Abelard Peter Abelard (; french: link=no, Pierre Abélard; la, Petrus Abaelardus or ''Abailardus''; 21 April 1142) was a medieval French scholastic philosopher, leading logician, theologian, poet, composer and musician. This source has a detailed desc ...

(c. 1079–1142). Scholastic philosopher. Dealt with the problem of universals. *

Abraham ibn Daud Abraham ibn Daud ( he, אַבְרָהָם בֵּן דָּוִד הַלֵּוִי אִבְּן דָּאוּד; ar, ابراهيم بن داود) was a Spanish-Jewish astronomer, historian, and philosopher; born at Córdoba, Spain about 1110; di ...

(c. 1110–1180).

Jewish philosophy Jewish philosophy () includes all philosophy carried out by Jews, or in relation to the religion of Judaism. Until modern ''Haskalah'' (Jewish Enlightenment) and Jewish emancipation, Jewish philosophy was preoccupied with attempts to reconcile ...

. *

Peter Lombard Peter Lombard (also Peter the Lombard, Pierre Lombard or Petrus Lombardus; 1096, Novara – 21/22 July 1160, Paris), was a scholastic theologian, Bishop of Paris, and author of '' Four Books of Sentences'' which became the standard textbook of ...

(c. 1100–1160). Scholastic. *

Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psycholog ...

(Ibn Rushd, "The Commentator") (c. 1126–December 10, 1198).

. *

Maimonides Musa ibn Maimon (1138–1204), commonly known as Maimonides (); la, Moses Maimonides and also referred to by the acronym Rambam ( he, רמב״ם), was a Sephardic Jewish philosopher who became one of the most prolific and influential Torah ...

(c. 1135–1204).

. * Fakhr al-Din al-Razi (1149 or 1150 – 1209) * Suhrawardi (c. 1154–1191). Major

. *

Francis of Assisi Giovanni di Pietro di Bernardone, better known as Saint Francis of Assisi ( it, Francesco d'Assisi; – 3 October 1226), was a mystic Italian Catholic friar, founder of the Franciscans, and one of the most venerated figures in Christianit ...

(c. 1182–1226).

Ascetic Asceticism (; from the el, ἄσκησις, áskesis, exercise', 'training) is a lifestyle characterized by abstinence from sensual pleasures, often for the purpose of pursuing spiritual goals. Ascetics may withdraw from the world for their p ...

1200–1300 CE

Ibn Arabi Ibn ʿArabī ( ar, ابن عربي, ; full name: , ; 1165–1240), nicknamed al-Qushayrī (, ) and Sulṭān al-ʿĀrifīn (, , 'Sultan of the Knowers'), was an Arab Andalusian Muslim scholar, mystic, poet, and philosopher, extremely influenti ...

(1165–1240). Andalusian Muslim philosopher, mystic, poet, and scholar. Founder of Akbarism, one of the major current of later Islamic philosophy. *

Fibonacci Fibonacci (; also , ; – ), also known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo Pisano ('Leonardo the Traveller from Pisa'), was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western ...

(c. 1170–c. 1250), mathematician. *

Michael Scot Michael Scot (Latin: Michael Scotus; 1175 – ) was a Scottish mathematician and scholar in the Middle Ages. He was educated at Oxford and Paris, and worked in Bologna and Toledo, where he learned Arabic. His patron was Frederick II of the H ...

(1175–c. 1232), mathematician. *

Robert Grosseteste Robert Grosseteste, ', ', or ') or the gallicised Robert Grosstête ( ; la, Robertus Grossetesta or '). Also known as Robert of Lincoln ( la, Robertus Lincolniensis, ', &c.) or Rupert of Lincoln ( la, Rubertus Lincolniensis, &c.). ( ; la, Rob ...

(c. 1175–1253). *

Alexander of Hales Alexander of Hales (also Halensis, Alensis, Halesius, Alesius ; 21 August 1245), also called ''Doctor Irrefragibilis'' (by Pope Alexander IV in the ''Bull De Fontibus Paradisi'') and ''Theologorum Monarcha'', was a Franciscan friar, theologian a ...

(c. 1185-1245).

Franciscan The Franciscans are a group of related Mendicant orders, mendicant Christianity, Christian Catholic religious order, religious orders within the Catholic Church. Founded in 1209 by Italian Catholic friar Francis of Assisi, these orders include t ...

Scholasticism Scholasticism was a medieval school of philosophy that employed a critical organic method of philosophical analysis predicated upon the Aristotelian 10 Categories. Christian scholasticism emerged within the monastic schools that translate ...

. *

Albert the Great Albertus Magnus (c. 1200 – 15 November 1280), also known as Saint Albert the Great or Albert of Cologne, was a German Dominican friar, philosopher, scientist, and bishop. Later canonised as a Catholic saint, he was known during his life ...

(Albertus Magnus) (c. 1193–1280). Early

Empiricist In philosophy, empiricism is an epistemological theory that holds that knowledge or justification comes only or primarily from sensory experience. It is one of several views within epistemology, along with rationalism and skepticism. Empir ...

. *

Roger Bacon Roger Bacon (; la, Rogerus or ', also '' Rogerus''; ), also known by the scholastic accolade ''Doctor Mirabilis'', was a medieval English philosopher and Franciscan friar who placed considerable emphasis on the study of nature through empiri ...

(c. 1214–1294).

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

. *

Ibn Sab'in Ibn Sab'īn ( ar, محمدبن عبدالحق بن سبعين ') was an Arab Sufi philosopher, the last philosopher of the Andalus in the west land of Islamic world. He was born in 1217 in Spain and lived in Ceuta. He was known for his replies ...

(1217–1271). *

Thomas Aquinas Thomas Aquinas, OP (; it, Tommaso d'Aquino, lit=Thomas of Aquino; 1225 – 7 March 1274) was an Italian Dominican friar and priest who was an influential philosopher, theologian and jurist in the tradition of scholasticism; he is known wi ...

(c. 1221–1274). Aristotelian. *

Bonaventure Bonaventure ( ; it, Bonaventura ; la, Bonaventura de Balneoregio; 1221 – 15 July 1274), born Giovanni di Fidanza, was an Italian Catholic Franciscan, bishop, cardinal, scholastic theologian and philosopher. The seventh Minister G ...

(c. 1225–1274).

. * Siger (c. 1240–c. 1280).

Averroist Averroism refers to a school of medieval philosophy based on the application of the works of 12th-century Andalusian philosopher Averroes, (known in his time in Arabic as ابن رشد, ibn Rushd, 1126–1198) a commentator on Aristotle, in 13th ...

. *

Boetius of Dacia Boetius de Dacia, OP (also spelled Boethius de Dacia) was a 13th-century Danish philosopher. Name The rendering of his name ''Danske Bo'' (" Bo the Dane") into Medieval Latin as ''Boetius de Dacia'' stems from the fact that the toponym '' Dan ...

, Aristotelian.

1300–1400 CE

Ramon Llull Ramon Llull (; c. 1232 – c. 1315/16) was a philosopher, theologian, poet, missionary, and Christian apologist from the Kingdom of Majorca. He invented a philosophical system known as the ''Art'', conceived as a type of universal logic to pro ...

(c. 1232–1315) Catalan philosopher *

Meister Eckhart Eckhart von Hochheim ( – ), commonly known as Meister Eckhart, Master Eckhartingularand ''aalimath'' lural are the guardians, transmitters, and interpreters of reli ...

jurist A jurist is a person with expert knowledge of law; someone who analyses and comments on law. This person is usually a specialist legal scholar, mostly (but not always) with a formal qualification in law and often a legal practitioner. In the Uni ...

and philosopher *

Duns Scotus John Duns Scotus ( – 8 November 1308), commonly called Duns Scotus ( ; ; "Duns the Scot"), was a Scottish Catholic priest and Franciscan friar, university professor, philosopher, and theologian. He is one of the four most important ...

(c. 1266–1308).

, Scholastic,

. *

Marsilius of Padua Marsilius of Padua (Italian: ''Marsilio'' or ''Marsiglio da Padova''; born ''Marsilio dei Mainardini'' or ''Marsilio Mainardini''; c. 1270 – c. 1342) was an Italian scholar, trained in medicine, who practiced a variety of professions. He ...

(c. 1270–1342). Understood chief function of state as mediator. *

William of Ockham William of Ockham, OFM (; also Occam, from la, Gulielmus Occamus; 1287 – 10 April 1347) was an English Franciscan friar, scholastic philosopher, apologist, and Catholic theologian, who is believed to have been born in Ockham, a small vill ...

(c. 1288–1348).

. Scholastic.

Nominalist In metaphysics, nominalism is the view that universals and abstract objects do not actually exist other than being merely names or labels. There are at least two main versions of nominalism. One version denies the existence of universalsthings th ...

, creator of Ockham's razor. *

Gersonides Levi ben Gershon (1288 – 20 April 1344), better known by his Graecized name as Gersonides, or by his Latinized name Magister Leo Hebraeus, or in Hebrew by the abbreviation of first letters as ''RaLBaG'', was a medieval French Jewish philosoph ...

(c. 1288–1344).

. *

Jean Buridan Jean Buridan (; Latin: ''Johannes Buridanus''; – ) was an influential 14th-century French people, French Philosophy, philosopher. Buridan was a teacher in the Faculty (division)#Faculty of Art, faculty of arts at the University of Paris for hi ...

(c. 1300–1358).

. *

John Wycliffe John Wycliffe (; also spelled Wyclif, Wickliffe, and other variants; 1328 – 31 December 1384) was an English scholastic philosopher, theologian, biblical translator, reformer, Catholic priest, and a seminary professor at the University of O ...

(c. 1320–1384). *

Nicole Oresme Nicole Oresme (; c. 1320–1325 – 11 July 1382), also known as Nicolas Oresme, Nicholas Oresme, or Nicolas d'Oresme, was a French philosopher of the later Middle Ages. He wrote influential works on economics, mathematics, physics, astrology an ...

(c. 1320–5 – 1382). Made contributions to economics, science, mathematics, theology and philosophy. *

Ibn Khaldun Ibn Khaldun (; ar, أبو زيد عبد الرحمن بن محمد بن خلدون الحضرمي, ; 27 May 1332 – 17 March 1406, 732-808 AH) was an Arab The Historical Muhammad', Irving M. Zeitlin, (Polity Press, 2007), p. 21; "It is, of ...

(1332 – 1406). *

Hasdai Crescas Hasdai ben Abraham Crescas (; he, חסדאי קרשקש; c. 1340 in Barcelona – 1410/11 in Zaragoza) was a Spanish-Jewish philosopher and a renowned halakhist (teacher of Jewish law). Along with Maimonides ("Rambam"), Gersonides ("Ralbag"), a ...

(c. 1340 – c. 1411).

. *

Gemistus Pletho Georgios Gemistos Plethon ( el, Γεώργιος Γεμιστός Πλήθων; la, Georgius Gemistus Pletho /1360 – 1452/1454), commonly known as Gemistos Plethon, was a Greek scholar and one of the most renowned philosophers of the late Byza ...

(c. 1355 – 1452/1454). Late

Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

scholar of

neoplatonic Neoplatonism is a strand of Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and religion. The term does not encapsulate a set of ideas as much as a chain of thinkers. But there are some ide ...

philosophy.

1400–1500 CE

Nicholas of Cusa Nicholas of Cusa (1401 – 11 August 1464), also referred to as Nicholas of Kues and Nicolaus Cusanus (), was a German Catholic cardinal, philosopher, theologian, jurist, mathematician, and astronomer. One of the first German proponents of Renai ...

(1401–1464).

. *

Lorenzo Valla Lorenzo Valla (; also Latinized as Laurentius; 14071 August 1457) was an Italian Renaissance humanist, rhetorician, educator, scholar, and Catholic priest. He is best known for his historical-critical textual analysis that proved that the ''Don ...

(1407–1457).

Humanist Humanism is a philosophical stance that emphasizes the individual and social potential and agency of human beings. It considers human beings the starting point for serious moral and philosophical inquiry. The meaning of the term "humani ...

, critic of scholastic logic. *

Marsilio Ficino Marsilio Ficino (; Latin name: ; 19 October 1433 – 1 October 1499) was an Italian scholar and Catholic priest who was one of the most influential humanist philosophers of the early Italian Renaissance. He was an astrologer, a reviver of ...

(1433–1499). Christian

, head of Florentine Academy and major Renaissance Humanist figure. First translator of Plato's complete extant works into Latin. *

Pico della Mirandola Giovanni Pico della Mirandola (24 February 1463 – 17 November 1494) was an Italian Renaissance nobleman and philosopher. He is famed for the events of 1486, when, at the age of 23, he proposed to defend 900 theses on religion, philosophy, ...

(1463–1494). Renaissance

humanist Humanism is a philosophical stance that emphasizes the individual and social potential and agency of human beings. It considers human beings the starting point for serious moral and philosophical inquiry. The meaning of the term "humani ...

Early modern philosophers

1500–1550 CE

Neagoe Basarab Neagoe Basarab (; c.1459 – 15 September 1521) was the Voivode (Prince) of Wallachia between 1512 and 1521. Born into the boyar family of the Craioveşti (his reign marks the climax of the family's political influence) as the son of Pârvu Cra ...

(c.1459–1521) *

Desiderius Erasmus Desiderius Erasmus Roterodamus (; ; English: Erasmus of Rotterdam or Erasmus;''Erasmus'' was his baptismal name, given after St. Erasmus of Formiae. ''Desiderius'' was an adopted additional name, which he used from 1496. The ''Roterodamus'' wa ...

(1466–1536).

, advocate of

free will Free will is the capacity of agents to choose between different possible courses of action unimpeded. Free will is closely linked to the concepts of moral responsibility, praise, culpability, sin, and other judgements which apply only to actio ...

. *

Niccolò Machiavelli Niccolò di Bernardo dei Machiavelli ( , , ; 3 May 1469 – 21 June 1527), occasionally rendered in English as Nicholas Machiavel ( , ; see below), was an Italian diplomat, author, philosopher and historian who lived during the Renaissance. ...

(1469–1527).

Political realism Realism is one of the dominant schools of thought in international relations theory, theoretically formalising the Realpolitik statesmanship of early modern Europe. Although a highly diverse body of thought, it is unified by the belief that wor ...

. *

Nicolaus Copernicus Nicolaus Copernicus (; pl, Mikołaj Kopernik; gml, Niklas Koppernigk, german: Nikolaus Kopernikus; 19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic Church, Catholic cano ...

(1473–1543).

Scientist A scientist is a person who conducts Scientific method, scientific research to advance knowledge in an Branches of science, area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, ...

, whose works affected

Philosophy of Science Philosophy of science is a branch of philosophy concerned with the foundations, methods, and implications of science. The central questions of this study concern what qualifies as science, the reliability of scientific theories, and the ultim ...

. *

Sir Thomas More Sir Thomas More (7 February 1478 – 6 July 1535), venerated in the Catholic Church as Saint Thomas More, was an English lawyer, judge, social philosopher, author, statesman, and noted Renaissance humanist. He also served Henry VIII as Lord ...

(1478–1535).

, created term "utopia". *

Martin Luther Martin Luther (; ; 10 November 1483 – 18 February 1546) was a German priest, theologian, author, hymnwriter, and professor, and Order of Saint Augustine, Augustinian friar. He is the seminal figure of the Reformation, Protestant Refo ...

(1483–1546). Major

Western Christian Western Christianity is one of two sub-divisions of Christianity (Eastern Christianity being the other). Western Christianity is composed of the Latin Church and Western Protestantism, together with their offshoots such as the Old Catholic C ...

theologian Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is taught as an academic discipline, typically in universities and seminaries. It occupies itself with the unique content of analyzing the ...

. *

Petrus Ramus Petrus Ramus (french: Pierre de La Ramée; Anglicized as Peter Ramus ; 1515 – 26 August 1572) was a French humanist, logician, and educational reformer. A Protestant convert, he was a victim of the St. Bartholomew's Day massacre. Early life ...

(1515–1572).

1550–1600 CE

John Calvin John Calvin (; frm, Jehan Cauvin; french: link=no, Jean Calvin ; 10 July 150927 May 1564) was a French theologian, pastor and reformer in Geneva during the Protestant Reformation. He was a principal figure in the development of the system ...

(1509–1564). Major

theologian. *

Michel de Montaigne Michel Eyquem, Sieur de Montaigne ( ; ; 28 February 1533 – 13 September 1592), also known as the Lord of Montaigne, was one of the most significant philosophers of the French Renaissance. He is known for popularizing the essay as a liter ...

(1533–1592).

. *

Pierre Charron Pierre Charron (; 1541 – 16 November 1603, Paris), French Catholic theologian and major contributor to the new thought of the 17th century. He is remembered for his controversial form of skepticism and his separation of ethics from religion as ...

(1541–1603). *

Giordano Bruno Giordano Bruno (; ; la, Iordanus Brunus Nolanus; born Filippo Bruno, January or February 1548 – 17 February 1600) was an Italian philosopher, mathematician, poet, cosmological theorist, and Hermetic occultist. He is known for his cosmologic ...

(1548–1600). Advocate of

heliocentrism Heliocentrism (also known as the Heliocentric model) is the astronomical model in which the Earth and planets revolve around the Sun at the center of the universe. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at ...

. *

Francisco Suarez Francisco is the Spanish and Portuguese form of the masculine given name ''Franciscus''. Nicknames In Spanish, people with the name Francisco are sometimes nicknamed "Paco". San Francisco de Asís was known as ''Pater Comunitatis'' (father of ...

(1548–1617). Politically proto–liberal. *

Johannes Kepler Johannes Kepler (; ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws ...

(1571–1630).

, whose works affected

. * Molla-Sadra (1572–1640). Major

1600–1650 CE

Herbert of Cherbury Edward Herbert, 1st Baron Herbert of Cherbury (or Chirbury) Knight of the Bath, KB (3 March 1583 – 5 August 1648) was an English people, English soldier, diplomat, historian, poet and religious philosopher of the Kingdom of England. Life ...

(1583–1648). Nativist. *

Francis Bacon Francis Bacon, 1st Viscount St Alban (; 22 January 1561 – 9 April 1626), also known as Lord Verulam, was an English philosopher and statesman who served as Attorney General and Lord Chancellor of England. Bacon led the advancement of both ...

(1561–1626).

. *

Galileo Galilei Galileo di Vincenzo Bonaiuti de' Galilei (15 February 1564 – 8 January 1642) was an Italian astronomer, physicist and engineer, sometimes described as a polymath. Commonly referred to as Galileo, his name was pronounced (, ). He was ...

(1564–1642). Heliocentrist. *

Hugo Grotius Hugo Grotius (; 10 April 1583 – 28 August 1645), also known as Huig de Groot () and Hugo de Groot (), was a Dutch humanist, diplomat, lawyer, theologian, jurist, poet and playwright. A teenage intellectual prodigy, he was born in Delft ...

(1583–1645).

Natural law Natural law ( la, ius naturale, ''lex naturalis'') is a system of law based on a close observation of human nature, and based on values intrinsic to human nature that can be deduced and applied independently of positive law (the express enacte ...

theorist. *

François de La Mothe Le Vayer François de La Mothe Le Vayer (, August 15889 May 1672), was a French writer who was known to use the pseudonym Orosius Tubero. He was admitted to the Académie française in 1639, and was the tutor of Louis XIV. Early years Le Vayer was born a ...

(1588–1672) *

Marin Mersenne Marin Mersenne, OM (also known as Marinus Mersennus or ''le Père'' Mersenne; ; 8 September 1588 – 1 September 1648) was a French polymath whose works touched a wide variety of fields. He is perhaps best known today among mathematicians for ...

(1588–1648).

Cartesian Cartesian means of or relating to the French philosopher René Descartes—from his Latinized name ''Cartesius''. It may refer to: Mathematics *Cartesian closed category, a closed category in category theory *Cartesian coordinate system, modern ...

. *

Robert Filmer Sir Robert Filmer (c. 1588 – 26 May 1653) was an English political theorist who defended the divine right of kings. His best known work, ''Patriarcha'', published posthumously in 1680, was the target of numerous Whig attempts at rebuttal, ...

(1588–1653). Absolutist,

monarchist Monarchism is the advocacy of the system of monarchy or monarchical rule. A monarchist is an individual who supports this form of government independently of any specific monarch, whereas one who supports a particular monarch is a royalist. ...

, patrimonialist.

Divine right of kings In European Christianity, the divine right of kings, divine right, or God's mandation is a political and religious doctrine of political legitimacy of a monarchy. It stems from a specific metaphysical framework in which a monarch is, before b ...

. *

Pierre Gassendi Pierre Gassendi (; also Pierre Gassend, Petrus Gassendi; 22 January 1592 – 24 October 1655) was a French philosopher, Catholic priest, astronomer, and mathematician. While he held a church position in south-east France, he also spent much tim ...

(1592–1655).

Mechanicism The mechanical philosophy is a form of natural philosophy which compares the universe to a large-scale mechanism (i.e. a machine). The mechanical philosophy is associated with the scientific revolution of early modern Europe. One of the first expos ...

. *

René Descartes René Descartes ( or ; ; Latinized: Renatus Cartesius; 31 March 1596 – 11 February 1650) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science. Mathem ...

(1596–1650).

Heliocentrism Heliocentrism (also known as the Heliocentric model) is the astronomical model in which the Earth and planets revolve around the Sun at the center of the universe. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at ...

, mind-body dualism,

rationalism In philosophy, rationalism is the epistemological view that "regards reason as the chief source and test of knowledge" or "any view appealing to reason as a source of knowledge or justification".Lacey, A.R. (1996), ''A Dictionary of Philosophy' ...

. *

Baltasar Gracián Baltasar Gracián y Morales, S.J. (; 8 January 16016 December 1658), better known as Baltasar Gracián, was a Spanish Jesuit and baroque prose writer and philosopher. He was born in Belmonte, near Calatayud (Aragón). His writings were lauded ...

(1601–1658). Spanish catholic philosopher

1650–1700 CE

Thomas Hobbes Thomas Hobbes ( ; 5/15 April 1588 – 4/14 December 1679) was an English philosopher, considered to be one of the founders of modern political philosophy. Hobbes is best known for his 1651 book ''Leviathan'', in which he expounds an influent ...

(1588–1679). Advocate of extensive government power,

social contract In moral and political philosophy Political philosophy or political theory is the philosophical study of government, addressing questions about the nature, scope, and legitimacy of public agents and institutions and the relationships betw ...

theorist, materialist. *

Antoine Arnauld Antoine Arnauld (6 February 16128 August 1694) was a French Catholic theologian, philosopher and mathematician. He was one of the leading intellectuals of the Jansenist group of Port-Royal and had a very thorough knowledge of patristics. Contem ...

(1612–1694). * François de La Rochefoucauld (1613-1680). *

Henry More Henry More (; 12 October 1614 – 1 September 1687) was an English philosopher of the Cambridge Platonist school. Biography Henry was born in Grantham, Lincolnshire on 12 October 1614. He was the seventh son of Alexander More, mayor of Gran ...

(1614–1687). *

Jacques Rohault Jacques Rohault (; 1618 – 27 December 1672) was a French philosopher, physicist and mathematician, and a follower of Cartesianism. Life Rohault was born in Amiens, the son of a wealthy wine merchant, and educated in Paris. Having grown up with ...

(1617–1672),

. *

Ralph Cudworth Ralph Cudworth ( ; 1617 – 26 June 1688) was an English Anglican clergyman, Christian Hebraist, classicist, theologian Theology is the systematic study of the nature of the divine and, more broadly, of religious belief. It is tau ...

(1617–1688).

Cambridge Platonist The Cambridge Platonists were an influential group of Platonist philosophers and Christian theologians at the University of Cambridge that existed during the 17th century. The leading figures were Ralph Cudworth and Henry More. Group and its nam ...

. *

Blaise Pascal Blaise Pascal ( , , ; ; 19 June 1623 – 19 August 1662) was a French mathematician, physicist, inventor, philosopher, and Catholic Church, Catholic writer. He was a child prodigy who was educated by his father, a tax collector in Rouen. Pa ...

(1623–1662). Physicist, scientist. Noted for Pascal's wager. *

Margaret Cavendish Margaret Lucas Cavendish, Duchess of Newcastle-upon-Tyne (1623 – 15 December 1673) was an English philosopher, poet, scientist, fiction writer and playwright. Her husband, William Cavendish, 1st Duke of Newcastle-upon-Tyne, was Cavalier, R ...

(1623–1673).

feminist Feminism is a range of socio-political movements and ideologies that aim to define and establish the political, economic, personal, and social equality of the sexes. Feminism incorporates the position that society prioritizes the male po ...

. *

Arnold Geulincx Arnold Geulincx (; 31 January 1624 – November 1669), also known by his pseudonym Philaretus, was a Flemish philosopher, metaphysician, and logician. He was one of the followers of René Descartes who tried to work out more detailed versions of a ...

(1624–1669). Important occasionalist theorist. *

Pierre Nicole Pierre Nicole (19 October 1625 – 16 November 1695) was one of the most distinguished of the French Jansenists. Life Born in Chartres, he was the son of a provincial barrister, who took in charge his education. Sent to Paris in 1642 to study t ...

(1625–1695). * Geraud Cordemoy (1626–1684). Dualist. *

Robert Boyle Robert Boyle (; 25 January 1627 – 31 December 1691) was an Anglo-Irish natural philosopher, chemist, physicist, alchemist and inventor. Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of ...

(1627–1691). *

Anne Conway, Viscountess Conway Anne Conway (also known as Viscountess Conway; ''née'' Finch; 14 December 1631 – 23 February 1679) was an English philosopher whose work, in the tradition of the Cambridge Platonists, was an influence on Gottfried Leibniz. Conway's thought is ...

(1631–1679). *

Richard Cumberland Richard Cumberland may refer to: * Richard Cumberland (philosopher) (1631–1718), bishop, philosopher * Richard Cumberland (dramatist) (1732–1811), civil servant, dramatist * Richard Cumberland (priest) (1710–1737), Archdeacon of Northa ...

(1631–1718). Early proponent of

utilitarianism In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals. Although different varieties of utilitarianism admit different charact ...

. *

Baruch Spinoza Baruch (de) Spinoza (born Bento de Espinosa; later as an author and a correspondent ''Benedictus de Spinoza'', anglicized to ''Benedict de Spinoza''; 24 November 1632 – 21 February 1677) was a Dutch philosopher of Portuguese-Jewish origin, b ...

(1632–1677).

Rationalism In philosophy, rationalism is the epistemological view that "regards reason as the chief source and test of knowledge" or "any view appealing to reason as a source of knowledge or justification".Lacey, A.R. (1996), ''A Dictionary of Philosophy' ...

. *

Samuel von Pufendorf Samuel Freiherr von Pufendorf (8 January 1632 – 26 October 1694) was a German jurist, political philosopher, economist and historian. He was born Samuel Pufendorf and ennobled in 1694; he was made a baron by Charles XI of Sweden a few months b ...

(1632–1694).

Social contract In moral and political philosophy Political philosophy or political theory is the philosophical study of government, addressing questions about the nature, scope, and legitimacy of public agents and institutions and the relationships betw ...

theorist. *

John Locke John Locke (; 29 August 1632 – 28 October 1704) was an English philosopher and physician, widely regarded as one of the most influential of Age of Enlightenment, Enlightenment thinkers and commonly known as the "father of liberalism ...

(1632–1704). Major

. Political philosopher. *

Joseph Glanvill Joseph Glanvill (1636 – 4 November 1680) was an English writer, philosopher, and clergyman. Not himself a scientist, he has been called "the most skillful apologist of the virtuosi", or in other words the leading propagandist for the approa ...

(1636–1680). *

Nicolas Malebranche Nicolas Malebranche ( , ; 6 August 1638 – 13 October 1715) was a French Oratorian Catholic priest and rationalist philosopher. In his works, he sought to synthesize the thought of St. Augustine and Descartes, in order to demonstrate the ...

(1638–1715).

. *

Isaac Newton Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, alchemist, theologian, and author (described in his time as a "natural philosopher"), widely recognised as one of the grea ...

(1643–1727). *

Simon Foucher Simon Foucher (1 March 1644 – 27 April 1696) was a French polemic philosopher. His philosophical standpoint was one of Academic skepticism: he did not agree with dogmatism, but didn't resort to Pyrrhonism, either. Life He was born in Dijon, ...

(1644–1696).

. *

John Flamsteed John Flamsteed (19 August 1646 – 31 December 1719) was an English astronomer and the first Astronomer Royal. His main achievements were the preparation of a 3,000-star catalogue, ''Catalogus Britannicus'', and a star atlas called ''Atlas Coe ...

(1646 – 1719). Astronomer. *

Pierre Bayle Pierre Bayle (; 18 November 1647 – 28 December 1706) was a French philosopher, author, and lexicographer. A Huguenot, Bayle fled to the Dutch Republic in 1681 because of religious persecution in France. He is best known for his '' Historica ...

(1647–1706).

. * Damaris Masham (1659–1708). *

John Toland John Toland (30 November 167011 March 1722) was an Irish people, Irish rationalist philosopher and freethought, freethinker, and occasional satirist, who wrote numerous books and pamphlets on political philosophy and philosophy of religion, whi ...

(1670–1722). *

Dimitrie Cantemir Dimitrie or Demetrius Cantemir (, russian: Дмитрий Кантемир; 26 October 1673 – 21 August 1723), also known by other spellings, was a Romanian prince, statesman, and man of letters, regarded as one of the most significant e ...

(1674-1723)

1700–1750 CE

Gottfried Leibniz Gottfried Wilhelm (von) Leibniz . ( – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat. He is one of the most prominent figures in both the history of philosophy and the history of mathem ...

(1646–1716). Co-inventor of

calculus Calculus, originally called infinitesimal calculus or "the calculus of infinitesimals", is the mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithm ...

. * John Norris (1657–1711). *

Jean Meslier Jean Meslier (; also Mellier; 15 June 1664 – 17 June 1729) was a French Catholic priest (abbé) who was discovered, upon his death, to have written a book-length philosophical essay promoting atheism and materialism. Described by the author as ...

(1664–1729). Atheist Priest. *

Giambattista Vico Giambattista Vico (born Giovan Battista Vico ; ; 23 June 1668 – 23 January 1744) was an Italian philosopher, rhetorician, historian, and jurist during the Italian Enlightenment. He criticized the expansion and development of modern rationali ...

(1668–1744). *

Bernard Mandeville Bernard Mandeville, or Bernard de Mandeville (; 15 November 1670 – 21 January 1733), was an Anglo-Dutch philosopher, political economist and satirist. Born in Rotterdam, Netherlands, he lived most of his life in England and used English for ...

(1670–1733). * Anthony Ashley-Cooper (1671–1713). *

Samuel Clarke Samuel Clarke (11 October 1675 – 17 May 1729) was an English philosopher and Anglican cleric. He is considered the major British figure in philosophy between John Locke and George Berkeley. Early life and studies Clarke was born in Norwich, ...

(1675–1729). *

Catherine Cockburn Catharine Trotter Cockburn (16 August 1679 – 11 May 1749) was an English novelist, dramatist, and philosopher. She wrote on moral philosophy, theological tracts, and had a voluminous correspondence. Trotter's work addresses a range of issues ...

(1679–1749). * Christian Wolff (1679–1754).

, rationalist. *

George Berkeley George Berkeley (; 12 March 168514 January 1753) – known as Bishop Berkeley (Bishop of Cloyne of the Anglican Church of Ireland) – was an Anglo-Irish philosopher whose primary achievement was the advancement of a theory he called "immate ...

(1685–1753).

Idealist In philosophy, the term idealism identifies and describes metaphysical perspectives which assert that reality is indistinguishable and inseparable from perception and understanding; that reality is a mental construct closely connected to ide ...

empiricist In philosophy, empiricism is an epistemological theory that holds that knowledge or justification comes only or primarily from sensory experience. It is one of several views within epistemology, along with rationalism and skepticism. Empir ...

. *

Charles de Secondat, Baron de Montesquieu Charles Louis de Secondat, Baron de La Brède et de Montesquieu (; ; 18 January 168910 February 1755), generally referred to as simply Montesquieu, was a French judge, man of letters, historian, and political philosopher. He is the princip ...

(1689–1755).

. *

Joseph Butler Joseph Butler (18 May O.S. 1692 – 16 June O.S. 1752) was an English Anglican bishop, theologian, apologist, and philosopher, born in Wantage in the English county of Berkshire (now in Oxfordshire). He is known for critiques of Deism, Thomas ...

(1692–1752). * Francis Hutcheson (1694–1746). Proto–

utilitarian In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals. Although different varieties of utilitarianism admit different charac ...

. *

John Gay John Gay (30 June 1685 – 4 December 1732) was an English poet and dramatist and member of the Scriblerus Club. He is best remembered for ''The Beggar's Opera'' (1728), a ballad opera. The characters, including Captain Macheath and Polly Peac ...

(1699–1745). * Jonathan Edwards (1703-1758). American philosophical theologian. * David Hartley (1705–1757). *

Julien La Mettrie Julien Offray de La Mettrie (; November 23, 1709 – November 11, 1751) was a French physician and philosopher, and one of the earliest of the French materialists of the Enlightenment. He is best known for his 1747 work '' L'homme machine'' ('' ...

(1709–1751).

, genetic

determinist Determinism is a philosophical view, where all events are determined completely by previously existing causes. Deterministic theories throughout the history of philosophy have developed from diverse and sometimes overlapping motives and consi ...

1750–1800 CE

Voltaire François-Marie Arouet (; 21 November 169430 May 1778) was a French Age of Enlightenment, Enlightenment writer, historian, and philosopher. Known by his ''Pen name, nom de plume'' M. de Voltaire (; also ; ), he was famous for his wit, and his ...

(1694–1778). Advocate for freedoms of religion and expression. *

Thomas Reid Thomas Reid (; 7 May ( O.S. 26 April) 1710 – 7 October 1796) was a religiously trained Scottish philosopher. He was the founder of the Scottish School of Common Sense and played an integral role in the Scottish Enlightenment. In 1783 he wa ...

(1710–1796). Member of Scottish Enlightenment, founder of Scottish Common Sense philosophy. *

David Hume David Hume (; born David Home; 7 May 1711 NS (26 April 1711 OS) – 25 August 1776) Cranston, Maurice, and Thomas Edmund Jessop. 2020 999br>David Hume" ''Encyclopædia Britannica''. Retrieved 18 May 2020. was a Scottish Enlightenment philo ...

(1711–1776).

. *

Jean–Jacques Rousseau Jean-Jacques Rousseau (, ; 28 June 1712 – 2 July 1778) was a Republic of Geneva, Genevan philosopher, writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment throughout Europe, as well as aspects ...

(1712–1778).

political philosopher. *

Denis Diderot Denis Diderot (; ; 5 October 171331 July 1784) was a French philosopher, art critic, and writer, best known for serving as co-founder, chief editor, and contributor to the ''Encyclopédie'' along with Jean le Rond d'Alembert. He was a promine ...

(1713–1784). *

Alexander Gottlieb Baumgarten Alexander Gottlieb Baumgarten (; ; 17 July 1714 – 27 MayJan LekschasBaumgarten Family'' 1762) was a German philosopher. He was a brother to theologian Siegmund Jakob Baumgarten (1706–1757). Biography Baumgarten was born in Berlin as the ...

(1714–1762). *

Claude Adrien Helvétius Claude Adrien Helvétius (; ; 26 January 1715 – 26 December 1771) was a French philosopher, freemason and '' littérateur''. Life Claude Adrien Helvétius was born in Paris, France, and was descended from a family of physicians, originally ...

(1715–1771).

Utilitarian In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for all affected individuals. Although different varieties of utilitarianism admit different charac ...

. * Etienne de Condillac (1715–1780). *

Jean d'Alembert Jean-Baptiste le Rond d'Alembert (; ; 16 November 1717 – 29 October 1783) was a French mathematician, mechanician, physicist, philosopher, and music theorist. Until 1759 he was, together with Denis Diderot, a co-editor of the ''Encyclopédie ...

(1717–1783). *

Baron d'Holbach Paul-Henri Thiry, Baron d'Holbach (; 8 December 1723 – 21 January 1789), was a French-German philosopher, encyclopedist, writer, and prominent figure in the French Enlightenment. He was born Paul Heinrich Dietrich in Edesheim, near Land ...

(1723–1789).

atheist Atheism, in the broadest sense, is an absence of belief in the existence of deities. Less broadly, atheism is a rejection of the belief that any deities exist. In an even narrower sense, atheism is specifically the position that there no ...

. *

Adam Smith Adam Smith (baptized 1723 – 17 July 1790) was a Scottish economist and philosopher who was a pioneer in the thinking of political economy and key figure during the Scottish Enlightenment. Seen by some as "The Father of Economics"——— ...

(1723–1790). Economic theorist, member of

Scottish Enlightenment The Scottish Enlightenment ( sco, Scots Enlichtenment, gd, Soillseachadh na h-Alba) was the period in 18th- and early-19th-century Scotland characterised by an outpouring of intellectual and scientific accomplishments. By the eighteenth century ...

. *

Richard Price Richard Price (23 February 1723 – 19 April 1791) was a British moral philosopher, Nonconformist minister and mathematician. He was also a political reformer, pamphleteer, active in radical, republican, and liberal causes such as the French ...

(1723–1791). Political liberal. *

Immanuel Kant Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and ...

(1724–1804). Major contributions in nearly every field of philosophy, especially metaphysics, epistemology, ethics, and aesthetics. *

Moses Mendelssohn Moses Mendelssohn (6 September 1729 – 4 January 1786) was a German-Jewish philosopher and theologian. His writings and ideas on Jews and the Jewish religion and identity were a central element in the development of the ''Haskalah'', or 'Je ...

(1729–1786). Member of the

Jewish Enlightenment The ''Haskalah'', often termed Jewish Enlightenment ( he, השכלה; literally, "wisdom", "erudition" or "education"), was an intellectual movement among the Jews of Central and Eastern Europe, with a certain influence on those in Western Euro ...

. *

Gotthold Ephraim Lessing Gotthold Ephraim Lessing (, ; 22 January 1729 – 15 February 1781) was a philosopher, dramatist, publicist and art critic, and a representative of the Enlightenment era. His plays and theoretical writings substantially influenced the developmen ...

(1729–1781). *

Edmund Burke Edmund Burke (; 12 January NS.html"_;"title="New_Style.html"_;"title="/nowiki>New_Style">NS">New_Style.html"_;"title="/nowiki>New_Style">NS/nowiki>_1729_–_9_July_1797)_was_an_ NS.html"_;"title="New_Style.html"_;"title="/nowiki>New_Style"> ...

(1729–1797). Conservative political philosopher. *

Cesare Beccaria Cesare Bonesana di Beccaria, Marquis of Gualdrasco and Villareggio (; 15 March 173828 November 1794) was an Italian criminologist, jurist, philosopher, economist and politician, who is widely considered one of the greatest thinkers of the Age ...

(1738–1794). Italian criminologist, jurist, and philosopher from the

Age of Enlightenment The Age of Enlightenment or the Enlightenment; german: Aufklärung, "Enlightenment"; it, L'Illuminismo, "Enlightenment"; pl, Oświecenie, "Enlightenment"; pt, Iluminismo, "Enlightenment"; es, La Ilustración, "Enlightenment" was an intel ...

. *

William Paley William Paley (July 174325 May 1805) was an English clergyman, Christian apologist, philosopher, and utilitarian. He is best known for his natural theology exposition of the teleological argument for the existence of God in his work ''Natural T ...

(1743–1805). *

Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of the United States, Founding Father who served as the third president of the United States from 18 ...

(1743–1826). Liberal political philosopher. *

Jeremy Bentham Jeremy Bentham (; 15 February 1748 Old_Style_and_New_Style_dates">O.S._4_February_1747.html" ;"title="Old_Style_and_New_Style_dates.html" ;"title="nowiki/>Old Style and New Style dates">O.S. 4 February 1747">Old_Style_and_New_Style_dates.htm ...

(1748–1832). Utilitarian, hedonist. *

Sylvain Maréchal Sylvain Maréchal (15 August 1750 – 18 January 1803) was a French essayist, poet, philosopher and political theorist, whose views presaged utopian socialism and communism. His views on a future golden age are occasionally described as ''utopian ...

(1750–1803)

Anarcho-Communist Anarcho-communism, also known as anarchist communism, (or, colloquially, ''ancom'' or ''ancomm'') is a political philosophy and anarchist school of thought that advocates communism. It calls for the abolition of private property but retains resp ...

Deist Deism ( or ; derived from the Latin '' deus'', meaning "god") is the philosophical position and rationalistic theology that generally rejects revelation as a source of divine knowledge, and asserts that empirical reason and observation ...

Dugald Stewart Dugald Stewart (; 22 November 175311 June 1828) was a Scottish philosopher and mathematician. Today regarded as one of the most important figures of the later Scottish Enlightenment, he was renowned as a populariser of the work of Francis Hu ...

(1753–1828). *

William Godwin William Godwin (3 March 1756 – 7 April 1836) was an English journalist, political philosopher and novelist. He is considered one of the first exponents of utilitarianism and the first modern proponent of anarchism. Godwin is most famous for ...

(1756–1836). Anarchist, utilitarian. *

Mary Wollstonecraft Mary Wollstonecraft (, ; 27 April 1759 – 10 September 1797) was a British writer, philosopher, and advocate of women's rights. Until the late 20th century, Wollstonecraft's life, which encompassed several unconventional personal relationsh ...

(1759–1797). Feminist. *

Friedrich Schiller Johann Christoph Friedrich von Schiller (, short: ; 10 November 17599 May 1805) was a German playwright, poet, and philosopher. During the last seventeen years of his life (1788–1805), Schiller developed a productive, if complicated, friends ...

(1759–1805). *

Johann Gottlieb Fichte Johann Gottlieb Fichte (; ; 19 May 1762 – 29 January 1814) was a German philosopher who became a founding figure of the philosophical movement known as German idealism, which developed from the theoretical and ethical writings of Immanuel Kan ...

(1762–1814).

Modern philosophers

1800–1850 CE

Jean-Baptiste Lamarck Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biologi ...

(1744–1829). Early evolutionary theorist. *

Pierre-Simon Laplace Pierre-Simon, marquis de Laplace (; ; 23 March 1749 – 5 March 1827) was a French scholar and polymath whose work was important to the development of engineering, mathematics, statistics, physics, astronomy, and philosophy. He summarized ...

(1749–1827).

. *

Joseph de Maistre Joseph Marie, comte de Maistre (; 1 April 1753 – 26 February 1821) was a Savoyard philosopher, writer, lawyer, and diplomat who advocated social hierarchy and monarchy in the period immediately following the French Revolution. Despite his clos ...

(1753–1821)

Conservative Conservatism is a cultural, social, and political philosophy that seeks to promote and to preserve traditional institutions, practices, and values. The central tenets of conservatism may vary in relation to the culture and civilization i ...

Comte de Saint-Simon Claude Henri de Rouvroy, comte de Saint-Simon (17 October 1760 – 19 May 1825), often referred to as Henri de Saint-Simon (), was a French political, economic and socialist theorist and businessman whose thought had a substantial influence on p ...

(1760–1825).

Socialist Socialism is a left-wing economic philosophy and movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to private ownership. As a term, it describes the e ...

. *

Madame de Staël Madame may refer to: * Madam, civility title or form of address for women, derived from the French * Madam (prostitution), a term for a woman who is engaged in the business of procuring prostitutes, usually the manager of a brothel * ''Madame'' ...

(1766–1817). *

Friedrich Schleiermacher Friedrich Daniel Ernst Schleiermacher (; 21 November 1768 – 12 February 1834) was a German Reformed theologian, philosopher, and biblical scholar known for his attempt to reconcile the criticisms of the Enlightenment with traditional P ...

(1768–1834). Hermeneutician. *

G. W. F. Hegel Georg Wilhelm Friedrich Hegel (; ; 27 August 1770 – 14 November 1831) was a German philosopher. He is one of the most important figures in German idealism and one of the founding figures of modern Western philosophy. His influence extends a ...

(1770–1831).

German idealist German idealism was a philosophical movement that emerged in Germany in the late 18th and early 19th centuries. It developed out of the work of Immanuel Kant in the 1780s and 1790s, and was closely linked both with Romanticism and the revolutionary ...

. *

James Mill James Mill (born James Milne; 6 April 1773 – 23 June 1836) was a Scottish historian, economist, political theorist, and philosopher. He is counted among the founders of the Ricardian school of economics. He also wrote ''The History of British ...

(1773–1836).

. *

F. W. J. von Schelling Friedrich Wilhelm Joseph Schelling (; 27 January 1775 – 20 August 1854), later (after 1812) von Schelling, was a German people, German philosopher. Standard Philosophy#Historical overview, histories of philosophy make him the midpoint in the de ...

(1775–1854).

. *

Bernard Bolzano Bernard Bolzano (, ; ; ; born Bernardus Placidus Johann Gonzal Nepomuk Bolzano; 5 October 1781 – 18 December 1848) was a Bohemian mathematician, logician, philosopher, theologian and Catholic priest of Italian extraction, also known for his liber ...

(1781–1848). *

Richard Whately Richard Whately (1 February 1787 – 8 October 1863) was an English academic, rhetorician, logician, philosopher, economist, and theologian who also served as a reforming Church of Ireland Archbishop of Dublin. He was a leading Broad Churchman ...

(1787–1863). *

Arthur Schopenhauer Arthur Schopenhauer ( , ; 22 February 1788 – 21 September 1860) was a German philosopher. He is best known for his 1818 work ''The World as Will and Representation'' (expanded in 1844), which characterizes the phenomenal world as the prod ...

(1788–1860). Pessimism,

Critic A critic is a person who communicates an assessment and an opinion of various forms of creative works such as art, literature, music, cinema, theater, fashion, architecture, and food. Critics may also take as their subject social or governmen ...

, Absurdist. *

John Austin John Austin may refer to: Arts and entertainment * John P. Austin (1906–1997), American set decorator *Johnny Austin (1910–1983), American musician * John Austin (author) (fl. 1940s), British novelist Military *John Austin (soldier) (1801� ...

(1790–1859).

Legal positivist Legal positivism (as understood in the Anglosphere) is a school of thought of analytical jurisprudence developed largely by legal philosophers during the 18th and 19th centuries, such as Jeremy Bentham and John Austin. While Bentham and Austin de ...

. *

William Whewell William Whewell ( ; 24 May 17946 March 1866) was an English polymath, scientist, Anglican priest, philosopher, theologian, and historian of science. He was Master of Trinity College, Cambridge. In his time as a student there, he achieved dist ...

(1794–1866). *

Auguste Comte Isidore Marie Auguste François Xavier Comte (; 19 January 1798 – 5 September 1857) was a French philosopher and writer who formulated the doctrine of positivism. He is often regarded as the first philosopher of science in the modern sense ...

(1798–1857).

Social philosopher Social philosophy examines questions about the foundations of social institutions, social behavior, and interpretations of society in terms of ethical values rather than empirical relations. Social philosophers emphasize understanding the social c ...

, positivist. *

Ralph Waldo Emerson Ralph Waldo Emerson (May 25, 1803April 27, 1882), who went by his middle name Waldo, was an American essayist, lecturer, philosopher, abolitionist, and poet who led the transcendentalist movement of the mid-19th century. He was seen as a champ ...

(1803–1882). Transcendentalist,

abolitionist Abolitionism, or the abolitionist movement, is the movement to end slavery. In Western Europe and the Americas, abolitionism was a historic movement that sought to end the Atlantic slave trade and liberate the enslaved people. The British ...

egalitarian Egalitarianism (), or equalitarianism, is a school of thought within political philosophy that builds from the concept of social equality, prioritizing it for all people. Egalitarian doctrines are generally characterized by the idea that all hum ...

. *

Ludwig Feuerbach Ludwig Andreas von Feuerbach (; 28 July 1804 – 13 September 1872) was a German anthropologist and philosopher, best known for his book ''The Essence of Christianity'', which provided a critique of Christianity that strongly influenced gener ...

(1804–1872). *

Alexis de Tocqueville Alexis Charles Henri Clérel, comte de Tocqueville (; 29 July 180516 April 1859), colloquially known as Tocqueville (), was a French aristocrat, diplomat, political scientist, political philosopher and historian. He is best known for his works ...

(1805–1859). *

Max Stirner Johann Kaspar Schmidt (25 October 1806 – 26 June 1856), known professionally as Max Stirner, was a German post-Hegelian philosopher, dealing mainly with the Hegelian notion of social alienation and self-consciousness. Stirner is often seen a ...

(1806–1856).

Anarchist Anarchism is a political philosophy and movement that is skeptical of all justifications for authority and seeks to abolish the institutions it claims maintain unnecessary coercion and hierarchy, typically including, though not neces ...

. * Augustus De Morgan (1806–1871).

Logician Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the science of deductively valid inferences or of logical truths. It is a formal science investigating how conclusions follow from premises ...

. *

John Stuart Mill John Stuart Mill (20 May 1806 – 7 May 1873) was an English philosopher, political economist, Member of Parliament (MP) and civil servant. One of the most influential thinkers in the history of classical liberalism, he contributed widely to ...

(1806–1873).

. *

Pierre-Joseph Proudhon Pierre-Joseph Proudhon (, , ; 15 January 1809, Besançon – 19 January 1865, Paris) was a French socialist,Landauer, Carl; Landauer, Hilde Stein; Valkenier, Elizabeth Kridl (1979) 959 "The Three Anticapitalistic Movements". ''European Socia ...

(1809–1865).

. *

Charles Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended fr ...

(1809–1882).

, whose works affected

. *

Jaime Balmes Jaime Luciano Balmes y Urpiá ( ca, Jaume Llucià Antoni Balmes i Urpià; August 28, 1810July 9, 1848) was a Spanish philosopher, theologian, Catholic apologist, sociologist and political writer. Familiar with the doctrine of Saint Thomas Aqui ...

(1810–1848) *

Margaret Fuller Sarah Margaret Fuller (May 23, 1810 – July 19, 1850), sometimes referred to as Margaret Fuller Ossoli, was an American journalist, editor, critic, translator, and women's rights advocate associated with the American transcendentalism movemen ...

(1810–1850).

Egalitarian Egalitarianism (), or equalitarianism, is a school of thought within political philosophy that builds from the concept of social equality, prioritizing it for all people. Egalitarian doctrines are generally characterized by the idea that all hum ...

. *

Søren Kierkegaard Søren Aabye Kierkegaard ( , , ; 5 May 1813 – 11 November 1855) was a Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical texts on ...

(1813–1855).

Existentialist Existentialism ( ) is a form of philosophical inquiry that explores the problem of human existence and centers on human thinking, feeling, and acting. Existentialist thinkers frequently explore issues related to the meaning, purpose, and value ...

. *

Henry David Thoreau Henry David Thoreau (July 12, 1817May 6, 1862) was an American naturalist, essayist, poet, and philosopher. A leading Transcendentalism, transcendentalist, he is best known for his book ''Walden'', a reflection upon simple living in natural su ...

(1817–1862). Transcendentalist,

pacifist Pacifism is the opposition or resistance to war, militarism (including conscription and mandatory military service) or violence. Pacifists generally reject theories of Just War. The word ''pacifism'' was coined by the French peace campaign ...

1850–1900 CE

Sir William Hamilton, 9th Baronet Sir William Hamilton, 9th Baronet FRSE (8 March 1788 – 6 May 1856) was a Scottish metaphysician. He is often referred to as William Stirling Hamilton of Preston, in reference to his mother, Elizabeth Stirling. Early life He was born in ...

(1788–1856). *

Sojourner Truth Sojourner Truth (; born Isabella Baumfree; November 26, 1883) was an American abolitionist of New York Dutch heritage and a women's rights activist. Truth was born into slavery in Swartekill, New York, but escaped with her infant daughter to f ...

(c. 1797–1883). Egalitarian, abolitionist. *

Harriet Taylor Mill Harriet Taylor Mill (née Hardy; 8 October 1807 – 3 November 1858) was a British philosopher and women's rights advocate. Her extant corpus of writing can be found in ''The Complete Works of Harriet Taylor Mill''. Several pieces can also be fo ...

(1807–1858). Egalitarian, utilitarian. *

Mikhail Bakunin Mikhail Alexandrovich Bakunin (; 1814–1876) was a Russian revolutionary anarchist, socialist and founder of collectivist anarchism. He is considered among the most influential figures of anarchism and a major founder of the revolutionary ...

(1814–1876). Revolutionary anarchist. *

Elizabeth Cady Stanton Elizabeth Cady Stanton (November 12, 1815 – October 26, 1902) was an American writer and activist who was a leader of the women's rights movement in the U.S. during the mid- to late-19th century. She was the main force behind the 1848 Seneca ...

(1815–1902). Egalitarian. *

Hermann Lotze Rudolf Hermann Lotze (; ; 21 May 1817 – 1 July 1881) was a German philosopher and logician. He also had a medical degree and was well versed in biology. He argued that if the physical world is governed by mechanical laws and relations, then dev ...

(1817–1881). *

Karl Marx Karl Heinrich Marx (; 5 May 1818 – 14 March 1883) was a German philosopher, economist, historian, sociologist, political theorist, journalist, critic of political economy, and socialist revolutionary. His best-known titles are the 1848 ...

(1818–1883).

, formulated

historical materialism Historical materialism is the term used to describe Karl Marx's theory of history. Marx locates historical change in the rise of class societies and the way humans labor together to make their livelihoods. For Marx and his lifetime collaborat ...

. *

Friedrich Engels Friedrich Engels ( ,"Engels"
'' Herbert Spencer Herbert Spencer (27 April 1820 – 8 December 1903) was an English philosopher, psychologist, biologist, anthropologist, and sociologist famous for his hypothesis of social Darwinism. Spencer originated the expression "survival of the fittest" ...

(1820–1903). Nativism, libertarianism, social Darwinism. *

Susan B. Anthony Susan B. Anthony (born Susan Anthony; February 15, 1820 – March 13, 1906) was an American social reformer and women's rights activist who played a pivotal role in the women's suffrage movement. Born into a Quaker family committed to s ...

(1820–1906). Feminist. *

Wilhelm Dilthey Wilhelm Dilthey (; ; 19 November 1833 – 1 October 1911) was a German historian, psychologist, sociologist, and hermeneutic philosopher, who held G. W. F. Hegel's Chair in Philosophy at the University of Berlin. As a polymathic philosopher, w ...

(1833–1911). *

Edward Caird Edward Caird (; 23 March 1835 – 1 November 1908) was a Scottish philosopher. He was a holder of LLD, DCL, and DLitt. Life The younger brother of the theologian John Caird, he was the son of engineer John Caird, the proprietor of Caird ...

(1835–1908). Idealist. * T.H. Green (1836–1882). British idealist. *

Henry Sidgwick Henry Sidgwick (; 31 May 1838 – 28 August 1900) was an English utilitarian philosopher and economist. He was the Knightbridge Professor of Moral Philosophy at the University of Cambridge from 1883 until his death, and is best known in philos ...

(1838–1900). Rationalism, utilitarianism. *

Ernst Mach Ernst Waldfried Josef Wenzel Mach ( , ; 18 February 1838 – 19 February 1916) was a Moravian-born Austrian physicist and philosopher, who contributed to the physics of shock waves. The ratio of one's speed to that of sound is named the Mach ...

(1838–1916). Philosopher of science, influence on logical positivism. *

Franz Brentano Franz Clemens Honoratus Hermann Josef Brentano (; ; 16 January 1838 – 17 March 1917) was an influential German philosopher, psychologist, and former Catholic priest (withdrawn in 1873 due to the definition of papal infallibility in matters of F ...

(1838–1917). Phenomenologist. *

Charles Sanders Peirce Charles Sanders Peirce ( ; September 10, 1839 – April 19, 1914) was an American philosopher, logician, mathematician and scientist who is sometimes known as "the father of pragmatism". Educated as a chemist and employed as a scientist for t ...

(1839–1914). Pragmatist. *

Philipp Mainländer Philipp Mainländer (5 October 1841 – 1 April 1876) was a German philosopher and poet. Born Philipp Batz, he later changed his name to "Mainländer" in homage to his hometown, Offenbach am Main. In his central work (''The Philosophy of Re ...

(1841-1876). Pessimist. *

William James William James (January 11, 1842 – August 26, 1910) was an American philosopher, historian, and psychologist, and the first educator to offer a psychology course in the United States. James is considered to be a leading thinker of the lat ...

(1842–1910).

Pragmatism Pragmatism is a philosophical tradition that considers words and thought as tools and instruments for prediction, problem solving, and action, and rejects the idea that the function of thought is to describe, represent, or mirror reality. ...

Radical empiricism Radical empiricism is a philosophical doctrine put forth by William James. It asserts that experience includes both particulars and relations between those particulars, and that therefore both deserve a place in our explanations. In concrete terms: ...

. *

Hermann Cohen Hermann Cohen (4 July 1842 – 4 April 1918) was a German Jewish philosophy, philosopher, one of the founders of the University of Marburg, Marburg school of neo-Kantianism, and he is often held to be "probably the most important Jewish ph ...

(1842-1918).

Neo-Kantianism In late modern continental philosophy, neo-Kantianism (german: Neukantianismus) was a revival of the 18th-century philosophy of Immanuel Kant. The Neo-Kantians sought to develop and clarify Kant's theories, particularly his concept of the "thin ...

. *

Peter Kropotkin Pyotr Alexeyevich Kropotkin (; russian: link=no, Пётр Алексе́евич Кропо́ткин ; 9 December 1842 – 8 February 1921) was a Russian anarchist, socialist, revolutionary, historian, scientist, philosopher, and activis ...

(1842–1921).

Anarchist communism Anarcho-communism, also known as anarchist communism, (or, colloquially, ''ancom'' or ''ancomm'') is a political philosophy and anarchist school of thought that advocates communism. It calls for the abolition of private property but retains resp ...

. *

Friedrich Nietzsche Friedrich Wilhelm Nietzsche (; or ; 15 October 1844 – 25 August 1900) was a German philosopher, prose poet, cultural critic, philologist, and composer whose work has exerted a profound influence on contemporary philosophy. He began his ...

(1844–1900). Naturalistic philosopher, influence on Existentialism. * W. K. Clifford (1845–1879). Evidentialist. *

F. H. Bradley Francis Herbert Bradley (30 January 1846 – 18 September 1924) was a British idealist philosopher. His most important work was ''Appearance and Reality'' (1893). Life Bradley was born at Clapham, Surrey, England (now part of the Greater ...

(1846–1924). Idealist. *

Vilfredo Pareto Vilfredo Federico Damaso Pareto ( , , , ; born Wilfried Fritz Pareto; 15 July 1848 – 19 August 1923) was an Italian polymath (civil engineer, sociologist, economist, political scientist, and philosopher). He made several important contribut ...

(1848–1923).

. * Bernard Bosanquet (1848–1923). Idealist. *

Gottlob Frege Friedrich Ludwig Gottlob Frege (; ; 8 November 1848 – 26 July 1925) was a German philosopher, logician, and mathematician. He was a mathematics professor at the University of Jena, and is understood by many to be the father of analytic phil ...

(1848–1925). Influential analytic philosopher. * Cook Wilson (1849–1915). *

Hans Vaihinger Hans Vaihinger (; September 25, 1852 – December 18, 1933) was a German philosopher, best known as a Kant scholar and for his ''Die Philosophie des Als Ob'' ('' The Philosophy of 'As if), published in 1911 although its statement of basic ...

(1852–1933). Specialist in

counterfactuals Counterfactual conditionals (also ''subjunctive'' or ''X-marked'') are conditional sentences which discuss what would have been true under different circumstances, e.g. "If Peter believed in ghosts, he would be afraid to be here." Counterfactual ...

. *

David George Ritchie David George Ritchie (26 October 1853 — 3 February 1903) was a Scottish philosopher who had a distinguished university career at Edinburgh, and Balliol College, Oxford, and after being fellow of Jesus College and a tutor at Balliol College wa ...

(1853–1903). Idealist. *

Alexius Meinong Alexius Meinong Ritter von Handschuchsheim (17 July 1853 – 27 November 1920) was an Austrian philosopher, a realist known for his unique ontology. He also made contributions to philosophy of mind and theory of value. Life Alexius Meinong' ...

(1853–1920). Logical realist. *

Henri Poincaré Jules Henri Poincaré ( S: stress final syllable ; 29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as "The ...

(1854–1912). *

Josiah Royce Josiah Royce (; November 20, 1855 – September 14, 1916) was an American objective idealist philosopher and the founder of American idealism. His philosophical ideas included his version of personalism, defense of absolutism, idealism and his ...

(1855–1916). Idealist. *

Sigmund Freud Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originatin ...

(1856–1939). Neurologist, founded psychoanalysis, posited structural model of mind. * Andrew Seth Pringle-Pattison (1856–1931). *

Ferdinand de Saussure Ferdinand de Saussure (; ; 26 November 1857 – 22 February 1913) was a Swiss linguist, semiotician and philosopher. His ideas laid a foundation for many significant developments in both linguistics and semiotics in the 20th century. He is widel ...

(1857–1913).

Linguist Linguistics is the scientific study of human language. It is called a scientific study because it entails a comprehensive, systematic, objective, and precise analysis of all aspects of language, particularly its nature and structure. Linguis ...

Semiotics Semiotics (also called semiotic studies) is the systematic study of sign processes ( semiosis) and meaning making. Semiosis is any activity, conduct, or process that involves signs, where a sign is defined as anything that communicates something ...

Structuralism In sociology, anthropology, archaeology, history, philosophy, and linguistics, structuralism is a general theory of culture and methodology that implies that elements of human culture must be understood by way of their relationship to a broader ...

. *

Émile Durkheim David Émile Durkheim ( or ; 15 April 1858 – 15 November 1917) was a French sociologist. Durkheim formally established the academic discipline of sociology and is commonly cited as one of the principal architects of modern social science, al ...

(1858–1917).

. *

Giuseppe Peano Giuseppe Peano (; ; 27 August 1858 – 20 April 1932) was an Italian mathematician and glottologist. The author of over 200 books and papers, he was a founder of mathematical logic and set theory, to which he contributed much notation. The stand ...

(1858–1932). *

Edmund Husserl , thesis1_title = Beiträge zur Variationsrechnung (Contributions to the Calculus of Variations) , thesis1_url = https://fedora.phaidra.univie.ac.at/fedora/get/o:58535/bdef:Book/view , thesis1_year = 1883 , thesis2_title ...

(1859–1938). Founder of

phenomenology Phenomenology may refer to: Art * Phenomenology (architecture), based on the experience of building materials and their sensory properties Philosophy * Phenomenology (philosophy), a branch of philosophy which studies subjective experiences and a ...

. *

Samuel Alexander Samuel Alexander (6 January 1859 – 13 September 1938) was an Australian-born British philosopher. He was the first Jewish fellow of an Oxbridge college. Early life Alexander was born at 436 George Street, in what is now the comm ...

(1859–1938). Perceptual realist. *

Henri Bergson Henri-Louis Bergson (; 18 October 1859 – 4 January 1941) was a French philosopherHenri Bergson. 2014. Encyclopædia Britannica Online. Retrieved 13 August 2014, from https://www.britannica.com/EBchecked/topic/61856/Henri-Bergson

(1859–1941).

Vitalism Vitalism is a belief that starts from the premise that "living organisms are fundamentally different from non-living entities because they contain some non-physical element or are governed by different principles than are inanimate things." Wher ...

. *

John Dewey John Dewey (; October 20, 1859 – June 1, 1952) was an American philosopher, psychologist, and educational reformer whose ideas have been influential in education and social reform. He was one of the most prominent American scholars in the f ...

(1859–1952).

. *

Jane Addams Laura Jane Addams (September 6, 1860 May 21, 1935) was an American settlement activist, reformer, social worker, sociologist, public administrator, and author. She was an important leader in the history of social work and women's suffrage ...

(1860–1935). Pragmatist. *

Pierre Duhem Pierre Maurice Marie Duhem (; 9 June 1861 – 14 September 1916) was a French theoretical physicist who worked on thermodynamics, hydrodynamics, and the theory of elasticity. Duhem was also a historian of science, noted for his work on the Euro ...

(1861–1916). *

Rudolf Steiner Rudolf Joseph Lorenz Steiner (27 or 25 February 1861 – 30 March 1925) was an Austrian occultist, social reformer, architect, esotericist, and claimed clairvoyant. Steiner gained initial recognition at the end of the nineteenth century as a ...

(1861–1925).

Anthroposophy Anthroposophy is a spiritualist movement founded in the early 20th century by the esotericist Rudolf Steiner that postulates the existence of an objective, intellectually comprehensible spiritual world, accessible to human experience. Followers ...

Karl Groos Karl Groos (10 December 1861, in Heidelberg – 27 March 1946, in Tübingen) was a German philosopher and psychologist who proposed an evolutionary instrumentalist theory of play. His 1898 book on ''The Play of Animals'' suggested that play is a ...

(1861–1946).

Evolutionary Evolution is change in the heredity, heritable Phenotypic trait, characteristics of biological populations over successive generations. These characteristics are the Gene expression, expressions of genes, which are passed on from parent to ...

instrumentalist A musical instrument is a device created or adapted to make musical sounds. In principle, any object that produces sound can be considered a musical instrument—it is through purpose that the object becomes a musical instrument. A person who pl ...

theory of play. *

Alfred North Whitehead Alfred North Whitehead (15 February 1861 – 30 December 1947) was an English mathematician and philosopher. He is best known as the defining figure of the philosophical school known as process philosophy, which today has found applicat ...

(1861–1947).

Process Philosophy Process philosophy, also ontology of becoming, or processism, is an approach to philosophy that identifies processes, changes, or shifting relationships as the only true elements of the ordinary, everyday real world. In opposition to the classic ...

Philosophy of Physics In philosophy, philosophy of physics deals with conceptual and interpretational issues in modern physics, many of which overlap with research done by certain kinds of theoretical physicists. Philosophy of physics can be broadly divided into thr ...

Panpsychism In the philosophy of mind, panpsychism () is the view that the mind or a mindlike aspect is a fundamental and ubiquitous feature of reality. It is also described as a theory that "the mind is a fundamental feature of the world which exists thro ...

. *

George Herbert Mead George Herbert Mead (February 27, 1863 – April 26, 1931) was an American philosopher, Sociology, sociologist, and psychologist, primarily affiliated with the University of Chicago, where he was one of several distinguished pragmatism, pragmati ...

(1863–1931).

symbolic interactionist Symbolic interactionism is a sociological theory that develops from practical considerations and alludes to particular effects of communication and interaction in people to make images and normal implications, for deduction and correspondence w ...

. *

Max Weber Maximilian Karl Emil Weber (; ; 21 April 186414 June 1920) was a German sociologist, historian, jurist and political economist, who is regarded as among the most important theorists of the development of modern Western society. His ideas profo ...

(1864–1920). Social philosopher. *

Miguel de Unamuno Miguel de Unamuno y Jugo (29 September 1864 – 31 December 1936) was a Spanish essayist, novelist, poet, playwright, philosopher, professor of Greek and Classics, and later rector at the University of Salamanca. His major philosophical essay w ...

(1864–1936). *

J. M. E. McTaggart John McTaggart Ellis McTaggart (3 September 1866 – 18 January 1925) was an English idealist metaphysician. For most of his life McTaggart was a fellow and lecturer in philosophy at Trinity College, Cambridge. He was an exponent of the phi ...

(1866–1925). Idealist. *

Benedetto Croce Benedetto Croce (; 25 February 1866 – 20 November 1952) was an Italian idealist philosopher, historian, and politician, who wrote on numerous topics, including philosophy, history, historiography and aesthetics. In most regards, Croce was a lib ...

(1866–1952). *

Emma Goldman Emma Goldman (June 27, 1869 – May 14, 1940) was a Russian-born anarchist political activist and writer. She played a pivotal role in the development of anarchist political philosophy in North America and Europe in the first half of the ...

(1869–1940).

. *

Rosa Luxemburg Rosa Luxemburg (; ; pl, Róża Luksemburg or ; 5 March 1871 – 15 January 1919) was a Polish and naturalised-German revolutionary socialist, Marxist philosopher and anti-war activist. Successively, she was a member of the Proletariat party, ...

(1870–1919).

Marxist Marxism is a Left-wing politics, left-wing to Far-left politics, far-left method of socioeconomic analysis that uses a Materialism, materialist interpretation of historical development, better known as historical materialism, to understand S ...

political philosopher. *

G. E. Moore George Edward Moore (4 November 1873 – 24 October 1958) was an English philosopher, who with Bertrand Russell, Ludwig Wittgenstein and earlier Gottlob Frege was among the founders of analytic philosophy. He and Russell led the turn from ideal ...

(1873–1958). Common sense theorist, ethical non–naturalist. *

Carl Jung Carl Gustav Jung ( ; ; 26 July 1875 – 6 June 1961) was a Swiss psychiatrist and psychoanalyst who founded analytical psychology. Jung's work has been influential in the fields of psychiatry, anthropology, archaeology, literature, philo ...

(1875–1961). Psychoanalysis, Methaphysics

1900–2000 CE

George Santayana Jorge Agustín Nicolás Ruiz de Santayana y Borrás, known in English as George Santayana (; December 16, 1863 – September 26, 1952), was a Spanish and US-American philosopher, essayist, poet, and novelist. Born in Spain, Santayana was raised ...

(1863–1952).

, naturalism; known for many

aphorisms An aphorism (from Ancient Greek, Greek ἀφορισμός: ''aphorismos'', denoting 'delimitation', 'distinction', and 'definition') is a concise, terse, laconic, or memorable expression of a general truth or principle. Aphorisms are often hand ...

. * H.A. Prichard (1871–1947). Moral intuitionist. *

Bertrand Russell Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British mathematician, philosopher, logician, and public intellectual. He had a considerable influence on mathematics, logic, set theory, linguistics, ...

(1872–1970).

Analytic philosopher Analytic philosophy is a branch and tradition of philosophy using analysis, popular in the Western world and particularly the Anglosphere, which began around the turn of the 20th century in the contemporary era in the United Kingdom, United St ...

nontheist Nontheism or non-theism is a range of both religious and nonreligious attitudes characterized by the absence of espoused belief in the existence of god or gods. Nontheism has generally been used to describe apathy or silence towards the subject o ...

, influential. * A.O. Lovejoy (1873–1962). *

Nikolai Berdyaev Nikolai Alexandrovich Berdyaev (; russian: Никола́й Алекса́ндрович Бердя́ев; – 24 March 1948) was a Russian Empire, Russian philosopher, theologian, and Christian existentialism, Christian existentialist who e ...

(1874–1948).

. *

Ernst Cassirer Ernst Alfred Cassirer ( , ; July 28, 1874 – April 13, 1945) was a German philosopher. Trained within the Neo-Kantian Marburg School, he initially followed his mentor Hermann Cohen in attempting to supply an idealistic philosophy of science. Aft ...

(1874–1945). *

Max Scheler Max Ferdinand Scheler (; 22 August 1874 – 19 May 1928) was a German philosopher known for his work in phenomenology, ethics, and philosophical anthropology. Considered in his lifetime one of the most prominent German philosophers,Davis, Zachar ...

(1874–1928). German phenomenologist. *

Giovanni Gentile Giovanni Gentile (; 30 May 1875 – 15 April 1944) was an Italian neo-Hegelian idealist philosopher, educator, and fascist politician. The self-styled "philosopher of Fascism", he was influential in providing an intellectual foundation for I ...

(1875–1944). Idealist and

fascist Fascism is a far-right, Authoritarianism, authoritarian, ultranationalism, ultra-nationalist political Political ideology, ideology and Political movement, movement,: "extreme militaristic nationalism, contempt for electoral democracy and pol ...

philosopher. *

Ralph Barton Perry Ralph Barton Perry (July 3, 1876 in Poultney, Vermont – January 22, 1957 in Boston, Massachusetts) was an American philosopher. He was a strident moral idealist who stated in 1909 that, to him, idealism meant "to interpret life consistently ...

(1876–1957). *

W.D. Ross WD may refer to: Arts and entertainment * ''The Walking Dead'' (TV series) * ''White Dwarf'' (magazine) Businesses and organizations Government agencies * Royal Canadian Air Force Women's Division * War Department (United Kingdom) Ot ...

(1877–1971).

Deontologist In moral philosophy, deontological ethics or deontology (from Greek: + ) is the normative ethical theory that the morality of an action should be based on whether that action itself is right or wrong under a series of rules and principles, ra ...

. *

Martin Buber Martin Buber ( he, מרטין בובר; german: Martin Buber; yi, מארטין בובער; February 8, 1878 – June 13, 1965) was an Austrian Jewish and Israeli philosopher best known for his philosophy of dialogue, a form of existentialism c ...

(1878–1965). Jewish philosopher,

existentialist Existentialism ( ) is a form of philosophical inquiry that explores the problem of human existence and centers on human thinking, feeling, and acting. Existentialist thinkers frequently explore issues related to the meaning, purpose, and value ...

. *

Ludwig von Mises Ludwig Heinrich Edler von Mises (; 29 September 1881 – 10 October 1973) was an Austrian School economist, historian, logician, and Sociology, sociologist. Mises wrote and lectured extensively on the societal contributions of classical liberali ...

(1881-1973). *

Pierre Teilhard de Chardin Pierre Teilhard de Chardin ( (); 1 May 1881 – 10 April 1955) was a French Jesuit priest, scientist, paleontologist, theologian, philosopher and teacher. He was Darwinian in outlook and the author of several influential theological and philos ...

(1881–1955). Christian

evolutionist Evolutionism is a term used (often derogatorily) to denote the theory of evolution. Its exact meaning has changed over time as the study of evolution has progressed. In the 19th century, it was used to describe the belief that organisms deliberate ...

. *

Hans Kelsen Hans Kelsen (; ; October 11, 1881 – April 19, 1973) was an Austrian jurist, legal philosopher and political philosopher. He was the author of the 1920 Austrian Constitution, which to a very large degree is still valid today. Due to the rise ...

(1881–1973).

. *

Moritz Schlick Friedrich Albert Moritz Schlick (; ; 14 April 1882 – 22 June 1936) was a German philosopher, physicist, and the founding father of logical positivism and the Vienna Circle. Early life and works Schlick was born in Berlin to a wealthy Prussian f ...

(1882–1936). Founder of

Vienna Circle The Vienna Circle (german: Wiener Kreis) of Logical Empiricism was a group of elite philosophers and scientists drawn from the natural and social sciences, logic and mathematics who met regularly from 1924 to 1936 at the University of Vienna, cha ...

logical positivism Logical positivism, later called logical empiricism, and both of which together are also known as neopositivism, is a movement in Western philosophy whose central thesis was the verification principle (also known as the verifiability criterion o ...

. *

Otto Neurath Otto Karl Wilhelm Neurath (; 10 December 1882 – 22 December 1945) was an Austrian-born philosopher of science, sociologist, and political economist. He was also the inventor of the ISOTYPE method of pictorial statistics and an innovator in mu ...

(1882–1945). Member of

. *

Nicolai Hartmann Paul Nicolai Hartmann (; 20 February 1882 – 9 October 1950) was a Baltic German philosopher. He is regarded as a key representative of critical realism and as one of the most important twentieth-century metaphysicians. Biography Hartmann was ...

(1882–1950). *

Jacques Maritain Jacques Maritain (; 18 November 1882 – 28 April 1973) was a French Catholic philosopher. Raised Protestant, he was agnostic before converting to Catholicism in 1906. An author of more than 60 books, he helped to revive Thomas Aquinas fo ...

(1882–1973). Human rights theorist. *

José Ortega y Gasset José Ortega y Gasset (; 9 May 1883 – 18 October 1955) was a Spanish philosopher and essayist. He worked during the first half of the 20th century, while Spain oscillated between monarchy, republicanism, and dictatorship. His philosoph ...

(1883–1955). Philosopher of History. * C.I. Lewis (1883–1964). Conceptual pragmatist. *

Gaston Bachelard Gaston Bachelard (; ; 27 June 1884 – 16 October 1962) was a French philosopher. He made contributions in the fields of poetics and the philosophy of science. To the latter, he introduced the concepts of ''epistemological obstacle'' and '' epi ...

(1884–1962). *

Georg Lukács Georg may refer to: * ''Georg'' (film), 1997 *Georg (musical), Estonian musical * Georg (given name) * Georg (surname) * , a Kriegsmarine coastal tanker See also * George (disambiguation) George may refer to: People * George (given name) * G ...

(1885–1971).

philosopher. *

Franz Rosenzweig Franz Rosenzweig (, ; 25 December 1886 – 10 December 1929) was a German theologian, philosopher, and translator. Early life and education Franz Rosenzweig was born in Kassel, Germany, to an affluent, minimally observant Jewish family. His fa ...

(1886-1929). *

Walter Terence Stace Walter Terence Stace (17 November 1886 – 2 August 1967) was a British civil servant, educator, public philosopher and epistemologist, who wrote on Hegel, mysticism, and moral relativism. He worked with the Ceylon Civil Service from 1910 to 1 ...

(1886–1967) *

Karl Barth Karl Barth (; ; – ) was a Swiss Calvinist theologian. Barth is best known for his commentary '' The Epistle to the Romans'', his involvement in the Confessing Church, including his authorship (except for a single phrase) of the Barmen Declara ...

(1886–1968). *

C. D. Broad Charlie Dunbar Broad (30 December 1887 – 11 March 1971), usually cited as C. D. Broad, was an English people, English epistemology, epistemologist, history of philosophy, historian of philosophy, philosophy of science, philosopher of sc ...

(1887–1971). *

Ludwig Wittgenstein Ludwig Josef Johann Wittgenstein ( ; ; 26 April 1889 – 29 April 1951) was an Austrian-British philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language. He is considere ...

(1889–1951).

philosophy of language In analytic philosophy, philosophy of language investigates the nature of language and the relations between language, language users, and the world. Investigations may include inquiry into the nature of meaning, intentionality, reference, ...

philosophy of mind Philosophy of mind is a branch of philosophy that studies the ontology and nature of the mind and its relationship with the body. The mind–body problem is a paradigmatic issue in philosophy of mind, although a number of other issues are addre ...

, influential. *

Gabriel Marcel Gabriel Honoré Marcel (7 December 1889 – 8 October 1973) was a French philosopher, playwright, music critic and leading Christian existentialist. The author of over a dozen books and at least thirty plays, Marcel's work focused on the modern ...

(1889–1973). Christian

. *

Martin Heidegger Martin Heidegger (; ; 26 September 188926 May 1976) was a German philosopher who is best known for contributions to phenomenology, hermeneutics, and existentialism. He is among the most important and influential philosophers of the 20th centur ...

(1889–1976). Phenomenologist. *

Antonio Gramsci Antonio Francesco Gramsci ( , , ; 22 January 1891 – 27 April 1937) was an Italian Marxist philosopher, journalist, linguist, writer, and politician. He wrote on philosophy, political theory, sociology, history, and linguistics. He was a ...

(1891–1937).

philosopher. *

Rudolf Carnap Rudolf Carnap (; ; 18 May 1891 – 14 September 1970) was a German-language philosopher who was active in Europe before 1935 and in the United States thereafter. He was a major member of the Vienna Circle and an advocate of logical positivism. He ...

(1891–1970). Vienna Circle. Logical positivist. *

Walter Benjamin Walter Bendix Schönflies Benjamin (; ; 15 July 1892 – 26 September 1940) was a German Jewish philosopher, cultural critic and essayist. An eclectic thinker, combining elements of German idealism, Romanticism, Western Marxism, and Jewish mys ...

(1892–1940). Marxist. Philosophy of language. *

Brand Blanshard Percy Brand Blanshard (; August 27, 1892 – November 19, 1987) was an American philosopher known primarily for his defense of reason and rationalism. A powerful polemicist, by all accounts he comported himself with courtesy and grace in philosop ...

(1892–1987). *

F. S. C. Northrop Filmer Stuart Cuckow Northrop (November 27, 1893 in Janesville, Wisconsin – July 22, 1992 in Exeter, New Hampshire) was an American legal philosopher and influential comparative philosopher. After receiving a B.A. from Beloit College in 19 ...

(1893–1992). Epistemologist. *

Roman Ingarden Roman Witold Ingarden (; February 5, 1893 – June 14, 1970) was a Polish philosopher who worked in aesthetics, ontology, and phenomenology. Before World War II, Ingarden published his works mainly in the German language. During the war, he swi ...

(1893–1970). Perceptual realist, phenomenalist. *

Susanne Langer Susanne Katherina Langer (; ''née'' Knauth; December 20, 1895 – July 17, 1985) was an American philosopher, writer, and educator known for her theories on the influences of art on the mind. She was one of the earliest American women to achieve ...

(1895–1985). *

Friedrich Waismann Friedrich Waismann (; 21 March 18964 November 1959) was an Austrian mathematician, physicist, and philosopher. He is best known for being a member of the Vienna Circle and one of the key theorists in logical positivism. Biography Born to a Jewis ...

(1896–1959). Vienna Circle. Logical positivist. *

Georges Bataille Georges Albert Maurice Victor Bataille (; ; 10 September 1897 – 9 July 1962) was a French philosopher and intellectual working in philosophy, literature, sociology, anthropology, and history of art. His writing, which included essays, novels, ...

(1897–1962). *

Herbert Marcuse Herbert Marcuse (; ; July 19, 1898 – July 29, 1979) was a German-American philosopher, social critic, and political theorist, associated with the Frankfurt School of critical theory. Born in Berlin, Marcuse studied at the Humboldt University ...

(1898–1979).

Frankfurt School The Frankfurt School (german: Frankfurter Schule) is a school of social theory and critical philosophy associated with the Institute for Social Research, at Goethe University Frankfurt in 1929. Founded in the Weimar Republic (1918–1933), dur ...

. *

Xavier Zubiri Xavier Zubiri (4 December 1898 – 21 September 1983) was a Spanish philosopher. Zubiri was a member of the Madrid School, composed of philosophers José Ortega y Gasset (the founder of the group), José Gaos, and Julián Marías, among other ...

(1898–1983). Materialist open realism. *

Leo Strauss Leo Strauss (, ; September 20, 1899 – October 18, 1973) was a German-American political philosopher who specialized in classical political philosophy. Born in Germany to Jewish parents, Strauss later emigrated from Germany to the United States. ...

(1899–1973). Political Philosopher. * H.H. Price (1899–1984). *

Gilbert Ryle Gilbert Ryle (19 August 1900 – 6 October 1976) was a British philosopher, principally known for his critique of Cartesian dualism, for which he coined the phrase "ghost in the machine." He was a representative of the generation of British ord ...

(1900–1976). *

Hans-Georg Gadamer Hans-Georg Gadamer (; ; February 11, 1900 – March 13, 2002) was a German philosopher of the continental tradition, best known for his 1960 ''magnum opus'', '' Truth and Method'' (''Wahrheit und Methode''), on hermeneutics. Life Family an ...

(1900–2002).

Hermeneutics Hermeneutics () is the theory and methodology of interpretation, especially the interpretation of biblical texts, wisdom literature, and philosophical texts. Hermeneutics is more than interpretative principles or methods used when immediate c ...

. *

Jacques Lacan Jacques Marie Émile Lacan (, , ; 13 April 1901 – 9 September 1981) was a French psychoanalyst and psychiatrist. Described as "the most controversial psycho-analyst since Freud", Lacan gave yearly seminars in Paris from 1953 to 1981, and pu ...

(1901–1981).

. *

Henri Lefebvre Henri Lefebvre ( , ; 16 June 1901 – 29 June 1991) was a French Marxist philosopher and sociologist, best known for pioneering the critique of everyday life, for introducing the concepts of the right to the city and the production of so ...

(1901-1991).

philosopher *

Alfred Tarski Alfred Tarski (, born Alfred Teitelbaum;School of Mathematics and Statistics, University of St Andrews ''School of Mathematics and Statistics, University of St Andrews''. January 14, 1901 – October 26, 1983) was a Polish-American logician a ...

(1901–1983). Created T–Convention in semantics. * E. Nagel (1901–1985). Logical positivist. *

Karl Popper Sir Karl Raimund Popper (28 July 1902 – 17 September 1994) was an Austrian-British philosopher, academic and social commentator. One of the 20th century's most influential philosophers of science, Popper is known for his rejection of the cl ...

(1902–1994). Falsificationist. *

Mortimer Adler Mortimer () is an English surname, and occasionally a given name. Norman origins The surname Mortimer has a Norman origin, deriving from the village of Mortemer, Seine-Maritime, Normandy. A Norman castle existed at Mortemer from an early point; ...

(1902–2001). *

Frank P. Ramsey Frank Plumpton Ramsey (; 22 February 1903 – 19 January 1930) was a British people, British philosopher, mathematician, and economist who made major contributions to all three fields before his death at the age of 26. He was a close friend of L ...

(1903–1930). Proposed

redundancy theory of truth According to the redundancy theory of truth (also known as the disquotational theory of truth), asserting that a statement is true is completely equivalent to asserting the statement itself. For example, asserting the sentence "'Snow is white' is tr ...

. *

Theodor Adorno Theodor is a masculine given name. It is a German form of Theodore. It is also a variant of Teodor. List of people with the given name Theodor * Theodor Adorno, (1903–1969), German philosopher * Theodor Aman, Romanian painter * Theodor Blueger, ...

(1903–1969).

. *

Ernest Addison Moody Ernest Addison Moody (1903–1975) was a noted philosopher, medievalist, and logician as well as a musician and scientist. He served as professor of philosophy at University of California, Los Angeles (UCLA), where he also served as department ch ...

(1903–1975). *

Jean-Paul Sartre Jean-Paul Charles Aymard Sartre (, ; ; 21 June 1905 – 15 April 1980) was one of the key figures in the philosophy of existentialism (and phenomenology), a French playwright, novelist, screenwriter, political activist, biographer, and litera ...

(1905–1980). Humanism,

existentialism Existentialism ( ) is a form of philosophical inquiry that explores the problem of human existence and centers on human thinking, feeling, and acting. Existentialist thinkers frequently explore issues related to the meaning, purpose, and valu ...

. *

Karl Jaspers Karl Theodor Jaspers (, ; 23 February 1883 – 26 February 1969) was a German-Swiss psychiatrist and philosopher who had a strong influence on modern theology, psychiatry, and philosophy. After being trained in and practicing psychiatry, Jasper ...

(1883–1969).

. *

Joseph Campbell Joseph John Campbell (March 26, 1904 – October 30, 1987) was an American writer. He was a professor of literature at Sarah Lawrence College who worked in comparative mythology and comparative religion. His work covers many aspects of the ...

(1904-1987) comparative mythology and comparative religion *

Eugen Fink Eugen Fink (11 December 1905 – 25 July 1975) was a German philosopher. Biography Fink was born in 1905 as the son of a government official in Germany. He spent his first school years with an uncle who was a Catholic priest. Fink attended a gra ...

(1905–1975). Phenomenologist. *

Ayn Rand Alice O'Connor (born Alisa Zinovyevna Rosenbaum;, . Most sources transliterate her given name as either ''Alisa'' or ''Alissa''. , 1905 – March 6, 1982), better known by her pen name Ayn Rand (), was a Russian-born American writer and p ...

(1905–1982).

Objectivist Objectivism is a philosophical system developed by Russian-American writer and philosopher Ayn Rand. She described it as "the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement ...

Individualist Individualism is the moral stance, political philosophy, ideology and social outlook that emphasizes the intrinsic worth of the individual. Individualists promote the exercise of one's goals and desires and to value independence and self-relianc ...

. *

Kurt Gödel Kurt Friedrich Gödel ( , ; April 28, 1906 – January 14, 1978) was a logician, mathematician, and philosopher. Considered along with Aristotle and Gottlob Frege to be one of the most significant logicians in history, Gödel had an imme ...

(1906–1978). Vienna Circle. *

Emmanuel Levinas Emmanuel Levinas (; ; 12 January 1906 – 25 December 1995) was a French philosopher of Lithuanian Jewish ancestry who is known for his work within Jewish philosophy, existentialism, and phenomenology, focusing on the relationship of ethics to me ...

(1906–1995). *

Hannah Arendt Hannah Arendt (, , ; 14 October 1906 – 4 December 1975) was a political philosopher, author, and Holocaust survivor. She is widely considered to be one of the most influential political theorists of the 20th century. Arendt was born ...

(1906–1975).

Political Philosophy Political philosophy or political theory is the philosophical study of government, addressing questions about the nature, scope, and legitimacy of public agents and institutions and the relationships between them. Its topics include politics, l ...

. * H.L.A. Hart (1907–1992).

Legal positivism Legal positivism (as understood in the Anglosphere) is a school of thought of analytical jurisprudence developed largely by legal philosophers during the 18th and 19th centuries, such as Jeremy Bentham and John Austin. While Bentham and Austin de ...

. * C.L. Stevenson (1908–1979). *

Maurice Merleau-Ponty Maurice Jean Jacques Merleau-Ponty. (; 14 March 1908 – 3 May 1961) was a French phenomenological philosopher, strongly influenced by Edmund Husserl and Martin Heidegger. The constitution of meaning in human experience was his main interest an ...

(1908–1961). Influential French phenomenologist. *

Simone de Beauvoir Simone Lucie Ernestine Marie Bertrand de Beauvoir (, ; ; 9 January 1908 – 14 April 1986) was a French existentialist philosopher, writer, social theorist, and feminist activist. Though she did not consider herself a philosopher, and even th ...

(1908–1986).

, feminist. *

Willard van Orman Quine Willard Van Orman Quine (; known to his friends as "Van"; June 25, 1908 – December 25, 2000) was an American philosopher and logician in the analytic tradition, recognized as "one of the most influential philosophers of the twentieth century". ...

(1908–2000). *

Simone Weil Simone Adolphine Weil ( , ; 3 February 1909 – 24 August 1943) was a French philosopher, mystic, and political activist. Over 2,500 scholarly works have been published about her, including close analyses and readings of her work, since 1995. ...

(1909–1943). *

A.J. Ayer Sir Alfred Jules "Freddie" Ayer (; 29 October 1910 – 27 June 1989), usually cited as A. J. Ayer, was an English philosopher known for his promotion of logical positivism, particularly in his books '' Language, Truth, and Logic'' (1936) a ...

(1910–1989). Logical positivist, emotivist. *

J.L. Austin JL or Jl may refer to: Businesses and brands * JL Audio, a manufacturer of consumer audio products * Jeep Wrangler (JL) model, beginning production in 2018 People * Justin Langer (born 1970), former Australian cricket player Places *Jubaland, a ...

(1911–1960). *

Marshall McLuhan Herbert Marshall McLuhan (July 21, 1911 – December 31, 1980) was a Canadian philosopher whose work is among the cornerstones of the study of media theory. He studied at the University of Manitoba and the University of Cambridge. He began his ...

(1911–1980).

Media theory Media studies is a discipline and field of study that deals with the content, history, and effects of various media; in particular, the mass media. Media Studies may draw on traditions from both the social sciences and the humanities, but mostly ...

. *

Alan Turing Alan Mathison Turing (; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. Turing was highly influential in the development of theoretical com ...

(1912–1954). Functionalist in philosophy of mind. *

Wilfrid Sellars Wilfrid Stalker Sellars (May 20, 1912 – July 2, 1989) was an American philosopher and prominent developer of critical realism, who "revolutionized both the content and the method of philosophy in the United States". Life and career His father ...

(1912–1989). Influential American philosopher *

Albert Camus Albert Camus ( , ; ; 7 November 1913 – 4 January 1960) was a French philosopher, author, dramatist, and journalist. He was awarded the 1957 Nobel Prize in Literature at the age of 44, the second-youngest recipient in history. His work ...

(1913–1960). Absurdist. *

Paul Ricœur Jean Paul Gustave Ricœur (; ; 27 February 1913 – 20 May 2005) was a French philosopher best known for combining phenomenological description with hermeneutics. As such, his thought is within the same tradition as other major hermeneutic ...

(1913–2005). French philosopher and theologian. *

Roland Barthes Roland Gérard Barthes (; ; 12 November 1915 – 26 March 1980) was a French literary theorist, essayist, philosopher, critic, and semiotician. His work engaged in the analysis of a variety of sign systems, mainly derived from Western popular ...

(1915–1980). French semiotician and literary theorist. *

J. L. Mackie John Leslie Mackie (25 August 1917 – 12 December 1981) was an Australian philosopher. He made significant contributions to the philosophy of religion, metaphysics, and the philosophy of language, and is perhaps best known for his views on m ...

(1917–1981). Moral skeptic. * Donald Davidson (1917–2003).

Coherentist In philosophical epistemology, there are two types of coherentism: the coherence theory of truth; and the coherence theory of justification (also known as epistemic coherentism). Coherent truth is divided between an anthropological approach, whic ...

philosophy of mind. *

Louis Althusser Louis Pierre Althusser (, ; ; 16 October 1918 – 22 October 1990) was a French Marxist philosopher. He was born in Algeria and studied at the École normale supérieure in Paris, where he eventually became Professor of Philosophy. Althusser ...

(1918–1990).

Structural Marxist Structural Marxism is an approach to Marxist philosophy based on structuralism, primarily associated with the work of the French philosopher Louis Althusser and his students. It was influential in France during the 1960s and 1970s, and also came ...

. * M. Bunge (1919–2020). *

R. M. Hare Richard Mervyn Hare (21 March 1919 – 29 January 2002), usually cited as R. M. Hare, was a British moral philosopher who held the post of White's Professor of Moral Philosophy at the University of Oxford from 1966 until 1983. He subseque ...

(1919–2002). *

P. F. Strawson Peter Frederick Strawson (; 23 November 1919 – 13 February 2006) was an English philosopher. He was the Waynflete Professor of Metaphysical Philosophy at the University of Oxford (Magdalen College) from 1968 to 1987. Before that, he ...

(1919–2006).

Ordinary language philosophy Ordinary language philosophy (OLP) is a philosophical methodology that sees traditional philosophical problems as rooted in misunderstandings philosophers develop by distorting or forgetting how words are ordinarily used to convey meaning in ...

. *

John Rawls John Bordley Rawls (; February 21, 1921 – November 24, 2002) was an American moral, legal and political philosopher in the liberal tradition. Rawls received both the Schock Prize for Logic and Philosophy and the National Humanities Medal in 1 ...

(1921–2002).

Liberal Liberal or liberalism may refer to: Politics * a supporter of liberalism ** Liberalism by country * an adherent of a Liberal Party * Liberalism (international relations) * Sexually liberal feminism * Social liberalism Arts, entertainment and m ...

. * Stephen Toulmin (1922–2009). * Thomas Kuhn (1922–1996). Author of The Structure of Scientific Revolutions. * Zygmunt Bauman (1925–2017). Polish sociologist and philosopher, who introduced the idea of liquid modernity. * Frantz Fanon (1925–1961). Postcolonialism * Gilles Deleuze (1925–1995). Post-structuralism * Michel Foucault (1926–1984).

, Post-structuralism, Postmodernism, and the concept of biopolitics. * Hilary Putnam (1926–2016). Neopragmatist, Neopragmatism. * David Malet Armstrong (1926–2014). *Eugene Gendlin (1926–2017). Philosopher and psychotherapist, linked to Phenomenology (philosophy), Phenomenology and

. * John Howard Yoder (1927–1997). Pacifist. * Noam Chomsky (born 1928). Linguist. * Robert M. Pirsig (1928–2017). Introduced the Methaphysics of Quality. MOQ incorporates facets of East Asian philosophy, pragmatism and the work of F. S. C. Northrop. * Bernard Williams (1929–2003). Moral philosopher. * Jean Baudrillard (1929–2007). Postmodernism, Post-structuralism. * Jürgen Habermas (born 1929). Discourse ethics. * Jaakko Hintikka (1929–2015). * Alasdair MacIntyre (born 1929). Aristotelian. * Allan Bloom (1930–1992). Political Philosopher. * Pierre Bourdieu (1930–2002). French psychoanalytic sociologist and philosopher. * Jacques Derrida (1930–2004). Deconstruction. * Thomas Sowell (born 1930). Political Philosopher, capitalist. * Guy Debord (1931–1994). French Marxist philosopher. * Richard Rorty (1931–2007).

, Postanalytic philosophy. * Charles Taylor (philosopher), Charles Taylor (born 1931). Political philosophy, Philosophy of Social Science, and Intellectual History * John Searle (born 1932). Direct realism. * Alvin Plantinga (born 1932). Reformed epistemology, Philosophy of Religion. * Jerry Fodor (1935–2017). * Ioanna Kuçuradi (born 1936). Grounded Ethics on unchangeable values of Person, and developed the idea of human rights based on this ethics. * Thomas Nagel (born 1937). Qualia theory. * Alain Badiou (born 1937). * Robert Nozick (1938–2002). Libertarianism, Libertarian. * Tom Regan (1938–2017). Animal rights philosopher. * Saul Kripke (born 1940). Modal semantics. * Jean-Luc Nancy (born 1940) French philosopher. * David K. Lewis (1941–2001). Modal realism. * Joxe Azurmendi (born 1941). Basque Philosopher, Political philosophy, Social philosophy, Philosophy of language. * Antonio Escohotado (1941-2021). Hegelianism,

. * Derek Parfit (1942–2017). * Giorgio Agamben (born 1942). state of exception, Giorgio Agamben#Work, form–of–life, and homo sacer. * Gayatri Chakravorty Spivak (born 1942). Postcolonialism, Feminism, Literary theory. * Roger Scruton (1944-2020). Traditionalist conservatism. * Peter Singer (born 1946) Moral philosopher on Animal Liberation (book), animal liberation, effective altruism. * John Ralston Saul (born 1947). * Martha Nussbaum (born 1947). Political philosopher. * Oruç Aruoba (1948–2020). Developed a certain approach of ethics based on how One becomes onseself through one's actions. * Hans-Hermann Hoppe (born 1949). * Slavoj Žižek (born 1949). Hegelianism, Marxism and Jacques Lacan, Lacanian psychoanalysis. * Ken Wilber (born 1949). Integral theory (Ken Wilber), Integral Theory. * John Dupré (born 1952) * Cornel West (born 1953). * Judith Butler (born 1956). Poststructuralist,

, queer theory. * Alexander Wendt (born 1958). Social constructivism. * Michel Onfray (born 1959). * David Benatar (born 1966). Antinatalism, Antinatalist. * Alain de Botton (born 1969). * Nick Bostrom (born 1973).

References

* http://www.philosophypages.com * http://lafavephilosophy.x10host.com/CRONLIST.htm *

External links

Jewish Intellectual Timeline
a parallel history of Jewish and non-Jewish intellectual ideas {{DEFAULTSORT:Timeline Of Western Philosophers Timelines of philosophers, Western philosophers